20344664546616 has 32 divisors (see below), whose sum is σ = 51723723427200. Its totient is φ = 6666613240800.

The previous prime is 20344664546581. The next prime is 20344664546639. The reversal of 20344664546616 is 61664546644302.

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, 7183849060 + ... + 7183851891.

It is an arithmetic number, because the mean of its divisors is an integer number (1616366357100).

Almost surely, 2^{20344664546616} is an apocalyptic number.

It is an amenable number.

20344664546616 is an abundant number, since it is smaller than the sum of its proper divisors (31379058880584).

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

20344664546616 is a wasteful number, since it uses less digits than its factorization.

20344664546616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14367701019 (or 14367701015 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 57.

The spelling of 20344664546616 in words is "twenty trillion, three hundred forty-four billion, six hundred sixty-four million, five hundred forty-six thousand, six hundred sixteen".