43430813578164 has 48 divisors (see below), whose sum is σ = 110999645265600. Its totient is φ = 13155513509376.

The previous prime is 43430813578157. The next prime is 43430813578223. The reversal of 43430813578164 is 46187531803434.

It is a super-2 number, since 2×43430813578164² (a number of 28 digits) contains 22 as substring.

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, 3670617274 + ... + 3670629105.

It is an arithmetic number, because the mean of its divisors is an integer number (2312492609700).

Almost surely, 2^{43430813578164} is an apocalyptic number.

It is an amenable number.

43430813578164 is an abundant number, since it is smaller than the sum of its proper divisors (67568831687436).

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

43430813578164 is a wasteful number, since it uses less digits than its factorization.

43430813578164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341246432 (or 7341246430 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 43430813578164 in words is "forty-three trillion, four hundred thirty billion, eight hundred thirteen million, five hundred seventy-eight thousand, one hundred sixty-four".