326431150403656 has 16 divisors (see below), whose sum is σ = 616730608589040. Its totient is φ = 161969654779920.

The previous prime is 326431150403597. The next prime is 326431150403671. The reversal of 326431150403656 is 656304051134623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155740051626 + ... + 155740053721.

It is an arithmetic number, because the mean of its divisors is an integer number (38545663036815).

Almost surely, 2^{326431150403656} is an apocalyptic number.

It is an amenable number.

326431150403656 is a deficient number, since it is larger than the sum of its proper divisors (290299458185384).

326431150403656 is a wasteful number, since it uses less digits than its factorization.

326431150403656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311480105484 (or 311480105480 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 326431150403656 in words is "three hundred twenty-six trillion, four hundred thirty-one billion, one hundred fifty million, four hundred three thousand, six hundred fifty-six".