326561234215160 has 64 divisors (see below), whose sum is σ = 857595460101120. Its totient is φ = 109581642115200.

The previous prime is 326561234215159. The next prime is 326561234215241. The reversal of 326561234215160 is 61512432165623.

It is a super-2 number, since 2×326561234215160² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12407328566 + ... + 12407354885.

It is an arithmetic number, because the mean of its divisors is an integer number (13399929064080).

Almost surely, 2^{326561234215160} is an apocalyptic number.

It is an amenable number.

326561234215160 is an abundant number, since it is smaller than the sum of its proper divisors (531034225885960).

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

326561234215160 is a wasteful number, since it uses less digits than its factorization.

326561234215160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24814683516 (or 24814683512 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 326561234215160 in words is "three hundred twenty-six trillion, five hundred sixty-one billion, two hundred thirty-four million, two hundred fifteen thousand, one hundred sixty".