164556754434 has 12 divisors (see below), whose sum is σ = 356539634646. Its totient is φ = 54852251472.

The previous prime is 164556754393. The next prime is 164556754489. The reversal of 164556754434 is 434457655461.

164556754434 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 5 + 67 + 544 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84777057225 + 79779697209 = 291165^2 + 282453^2 .

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, 4571020939 + ... + 4571020974.

Almost surely, 2^164556754434 is an apocalyptic number.

164556754434 is an abundant number, since it is smaller than the sum of its proper divisors (191982880212).

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

164556754434 is a wasteful number, since it uses less digits than its factorization.

164556754434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142041921 (or 9142041918 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 164556754434 in words is "one hundred sixty-four billion, five hundred fifty-six million, seven hundred fifty-four thousand, four hundred thirty-four".