156426621654 has 16 divisors (see below), whose sum is σ = 312908035248. Its totient is φ = 52133075232.

The previous prime is 156426621641. The next prime is 156426621709. The reversal of 156426621654 is 456126624651.

It is a happy number.

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, 2245837 + ... + 2314440.

It is an arithmetic number, because the mean of its divisors is an integer number (19556752203).

Almost surely, 2^156426621654 is an apocalyptic number.

156426621654 is an abundant number, since it is smaller than the sum of its proper divisors (156481413594).

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

156426621654 is a wasteful number, since it uses less digits than its factorization.

156426621654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565999.

The product of its digits is 2073600, while the sum is 48.

The spelling of 156426621654 in words is "one hundred fifty-six billion, four hundred twenty-six million, six hundred twenty-one thousand, six hundred fifty-four".