190919069264 has 120 divisors (see below), whose sum is σ = 469970375328. Its totient is φ = 74296293120.

The previous prime is 190919069261. The next prime is 190919069287. The reversal of 190919069264 is 462960919091.

190919069264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190919069261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7550627 + ... + 7575869.

Almost surely, 2^190919069264 is an apocalyptic number.

190919069264 is a gapful number since it is divisible by the number (14) 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 190919069264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234985187664).

190919069264 is an abundant number, since it is smaller than the sum of its proper divisors (279051306064).

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

190919069264 is a wasteful number, since it uses less digits than its factorization.

190919069264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26153 (or 26140 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 56.

The spelling of 190919069264 in words is "one hundred ninety billion, nine hundred nineteen million, sixty-nine thousand, two hundred sixty-four".