156274996668 has 48 divisors (see below), whose sum is σ = 416818504704. Its totient is φ = 44640872640.

The previous prime is 156274996643. The next prime is 156274996697. The reversal of 156274996668 is 866699472651.

It is a super-2 number, since 2×156274996668² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 228733 + ... + 604043.

It is an arithmetic number, because the mean of its divisors is an integer number (8683718848).

Almost surely, 2^156274996668 is an apocalyptic number.

It is an amenable number.

156274996668 is an abundant number, since it is smaller than the sum of its proper divisors (260543508036).

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

156274996668 is a wasteful number, since it uses less digits than its factorization.

156274996668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380282 (or 380280 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 69.

The spelling of 156274996668 in words is "one hundred fifty-six billion, two hundred seventy-four million, nine hundred ninety-six thousand, six hundred sixty-eight".