2164634555788 has 12 divisors (see below), whose sum is σ = 3796399557832. Its totient is φ = 1079948967840.

The previous prime is 2164634555777. The next prime is 2164634555819. The reversal of 2164634555788 is 8875554364612.

It is a super-2 number, since 2×2164634555788² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592075458 + ... + 592079113.

Almost surely, 2^{2164634555788} is an apocalyptic number.

It is an amenable number.

2164634555788 is a deficient number, since it is larger than the sum of its proper divisors (1631765002044).

2164634555788 is a wasteful number, since it uses less digits than its factorization.

2164634555788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184155032 (or 1184155030 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 64.

The spelling of 2164634555788 in words is "two trillion, one hundred sixty-four billion, six hundred thirty-four million, five hundred fifty-five thousand, seven hundred eighty-eight".