43393531164 has 24 divisors (see below), whose sum is σ = 105653815680. Its totient is φ = 13835618544.

The previous prime is 43393531151. The next prime is 43393531211. The reversal of 43393531164 is 46113539334.

43393531164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 78611194 + ... + 78611745.

It is an arithmetic number, because the mean of its divisors is an integer number (4402242320).

Almost surely, 2^43393531164 is an apocalyptic number.

It is an amenable number.

43393531164 is an abundant number, since it is smaller than the sum of its proper divisors (62260284516).

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

43393531164 is a wasteful number, since it uses less digits than its factorization.

43393531164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157222969 (or 157222967 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The spelling of 43393531164 in words is "forty-three billion, three hundred ninety-three million, five hundred thirty-one thousand, one hundred sixty-four".