156427912972 has 12 divisors (see below), whose sum is σ = 273790872936. Its totient is φ = 78201949280.

The previous prime is 156427912951. The next prime is 156427913003. The reversal of 156427912972 is 279219724651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972458 + ... + 3024625.

It is an arithmetic number, because the mean of its divisors is an integer number (22815906078).

Almost surely, 2^156427912972 is an apocalyptic number.

It is an amenable number.

156427912972 is a deficient number, since it is larger than the sum of its proper divisors (117362959964).

156427912972 is a wasteful number, since it uses less digits than its factorization.

156427912972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003608 (or 6003606 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The spelling of 156427912972 in words is "one hundred fifty-six billion, four hundred twenty-seven million, nine hundred twelve thousand, nine hundred seventy-two".