156854438474 has 16 divisors (see below), whose sum is σ = 242064480768. Its totient is φ = 76198348512.

The previous prime is 156854438473. The next prime is 156854438479. The reversal of 156854438474 is 474834458651.

It is not an unprimeable number, because it can be changed into a prime (156854438473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8007722 + ... + 8027285.

It is an arithmetic number, because the mean of its divisors is an integer number (15129030048).

Almost surely, 2^156854438474 is an apocalyptic number.

156854438474 is a deficient number, since it is larger than the sum of its proper divisors (85210042294).

156854438474 is a wasteful number, since it uses less digits than its factorization.

156854438474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16035149.

The product of its digits is 51609600, while the sum is 59.

The spelling of 156854438474 in words is "one hundred fifty-six billion, eight hundred fifty-four million, four hundred thirty-eight thousand, four hundred seventy-four".