190531680 has 96 divisors (see below), whose sum is σ = 602761824. Its totient is φ = 50589696.

The previous prime is 190531669. The next prime is 190531681. The reversal of 190531680 is 86135091.

190531680 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 (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190531681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132244 + ... + 133676.

It is an arithmetic number, because the mean of its divisors is an integer number (6278769).

Almost surely, 2^190531680 is an apocalyptic number.

190531680 is a gapful number since it is divisible by the number (10) 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 190531680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301380912).

190531680 is an abundant number, since it is smaller than the sum of its proper divisors (412230144).

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

190531680 is a wasteful number, since it uses less digits than its factorization.

190531680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 190531680 is about 13803.3213394458. The cubic root of 190531680 is about 575.4254494624.

The spelling of 190531680 in words is "one hundred ninety million, five hundred thirty-one thousand, six hundred eighty".