2155966254696 has 32 divisors (see below), whose sum is σ = 5403988546560. Its totient is φ = 716779030272.

The previous prime is 2155966254667. The next prime is 2155966254697. The reversal of 2155966254696 is 6964526695512.

It is not an unprimeable number, because it can be changed into a prime (2155966254697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117264865 + ... + 117283248.

It is an arithmetic number, because the mean of its divisors is an integer number (168874642080).

Almost surely, 2^{2155966254696} is an apocalyptic number.

It is an amenable number.

2155966254696 is an abundant number, since it is smaller than the sum of its proper divisors (3248022291864).

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

2155966254696 is a wasteful number, since it uses less digits than its factorization.

2155966254696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234548505 (or 234548501 counting only the distinct ones).

The product of its digits is 209952000, while the sum is 66.

The spelling of 2155966254696 in words is "two trillion, one hundred fifty-five billion, nine hundred sixty-six million, two hundred fifty-four thousand, six hundred ninety-six".