6434164656 has 30 divisors (see below), whose sum is σ = 18006725100. Its totient is φ = 2144721504.

The previous prime is 6434164621. The next prime is 6434164661. The reversal of 6434164656 is 6564614346.

6434164656 is a `hidden beast` number, since 6 + 434 + 164 + 6 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22340706 + ... + 22340993.

It is an arithmetic number, because the mean of its divisors is an integer number (600224170).

Almost surely, 2^6434164656 is an apocalyptic number.

It is an amenable number.

6434164656 is an abundant number, since it is smaller than the sum of its proper divisors (11572560444).

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

6434164656 is a wasteful number, since it uses less digits than its factorization.

6434164656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44681713 (or 44681704 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 6434164656 is about 80213.2448913520. The cubic root of 6434164656 is about 1859.9333864454.

The spelling of 6434164656 in words is "six billion, four hundred thirty-four million, one hundred sixty-four thousand, six hundred fifty-six".