192120656 has 80 divisors (see below), whose sum is σ = 478136064. Its totient is φ = 72686592.

The previous prime is 192120623. The next prime is 192120701. The reversal of 192120656 is 656021291.

It is a happy number.

192120656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30620 + ... + 36356.

Almost surely, 2^192120656 is an apocalyptic number.

192120656 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 192120656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239068032).

192120656 is an abundant number, since it is smaller than the sum of its proper divisors (286015408).

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

192120656 is a wasteful number, since it uses less digits than its factorization.

192120656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 192120656 is about 13860.7595751459. The cubic root of 192120656 is about 577.0206473072.

The spelling of 192120656 in words is "one hundred ninety-two million, one hundred twenty thousand, six hundred fifty-six".