190645056 has 112 divisors (see below), whose sum is σ = 640567680. Its totient is φ = 54466560.

The previous prime is 190645001. The next prime is 190645057. The reversal of 190645056 is 650546091.

190645056 is a `hidden beast` number, since 1 + 9 + 0 + 645 + 0 + 5 + 6 = 666.

190645056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 190645056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190645057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4216 + ... + 19976.

Almost surely, 2^190645056 is an apocalyptic number.

190645056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190645056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320283840).

190645056 is an abundant number, since it is smaller than the sum of its proper divisors (449922624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190645056 is a wasteful number, since it uses less digits than its factorization.

190645056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789 (or 15773 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 190645056 is about 13807.4275663499. The cubic root of 190645056 is about 575.5395625935.

The spelling of 190645056 in words is "one hundred ninety million, six hundred forty-five thousand, fifty-six".