156427051668 has 24 divisors (see below), whose sum is σ = 365498532672. Its totient is φ = 52070625024.

The previous prime is 156427051639. The next prime is 156427051679. The reversal of 156427051668 is 866150724651.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 156427051668.

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, 8956605 + ... + 8974052.

It is an arithmetic number, because the mean of its divisors is an integer number (15229105528).

Almost surely, 2^156427051668 is an apocalyptic number.

It is an amenable number.

156427051668 is an abundant number, since it is smaller than the sum of its proper divisors (209071481004).

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

156427051668 is a wasteful number, since it uses less digits than its factorization.

156427051668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17931391 (or 17931389 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 156427051668 in words is "one hundred fifty-six billion, four hundred twenty-seven million, fifty-one thousand, six hundred sixty-eight".