8164715644434 has 32 divisors (see below), whose sum is σ = 16856360446464. Its totient is φ = 2633752160640.

The previous prime is 8164715644409. The next prime is 8164715644487. The reversal of 8164715644434 is 4344465174618.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 26226192 + ... + 26535684.

It is an arithmetic number, because the mean of its divisors is an integer number (526761263952).

Almost surely, 2^{8164715644434} is an apocalyptic number.

8164715644434 is an abundant number, since it is smaller than the sum of its proper divisors (8691644802030).

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

8164715644434 is a wasteful number, since it uses less digits than its factorization.

8164715644434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451362.

The product of its digits is 30965760, while the sum is 57.

The spelling of 8164715644434 in words is "eight trillion, one hundred sixty-four billion, seven hundred fifteen million, six hundred forty-four thousand, four hundred thirty-four".