1956392168856 has 32 divisors (see below), whose sum is σ = 4891181144640. Its totient is φ = 652103959968.

The previous prime is 1956392168803. The next prime is 1956392168873. The reversal of 1956392168856 is 6588612936591.

It is a super-2 number, since 2×1956392168856² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071286 + ... + 2249541.

It is an arithmetic number, because the mean of its divisors is an integer number (152849410770).

Almost surely, 2^{1956392168856} is an apocalyptic number.

It is an amenable number.

1956392168856 is an abundant number, since it is smaller than the sum of its proper divisors (2934788975784).

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

1956392168856 is a wasteful number, since it uses less digits than its factorization.

1956392168856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345383 (or 3345379 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 69.

The spelling of 1956392168856 in words is "one trillion, nine hundred fifty-six billion, three hundred ninety-two million, one hundred sixty-eight thousand, eight hundred fifty-six".