10232191656 has 24 divisors (see below), whose sum is σ = 27712185930. Its totient is φ = 3410730528.

The previous prime is 10232191649. The next prime is 10232191681. The reversal of 10232191656 is 65619123201.

It can be written as a sum of positive squares in only one way, i.e., 9966827556 + 265364100 = 99834^2 + 16290^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 10232191656.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71056815 + ... + 71056958.

Almost surely, 2^10232191656 is an apocalyptic number.

It is an amenable number.

10232191656 is an abundant number, since it is smaller than the sum of its proper divisors (17479994274).

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

10232191656 is a wasteful number, since it uses less digits than its factorization.

10232191656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142113785 (or 142113778 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 10232191656 in words is "ten billion, two hundred thirty-two million, one hundred ninety-one thousand, six hundred fifty-six".