164554536634 has 32 divisors (see below), whose sum is σ = 267454716480. Its totient is φ = 75687685632.

The previous prime is 164554536617. The next prime is 164554536667. The reversal of 164554536634 is 436635455461.

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, 225804 + ... + 616519.

It is an arithmetic number, because the mean of its divisors is an integer number (8357959890).

Almost surely, 2^164554536634 is an apocalyptic number.

164554536634 is a deficient number, since it is larger than the sum of its proper divisors (102900179846).

164554536634 is a wasteful number, since it uses less digits than its factorization.

164554536634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842494.

The product of its digits is 15552000, while the sum is 52.

The spelling of 164554536634 in words is "one hundred sixty-four billion, five hundred fifty-four million, five hundred thirty-six thousand, six hundred thirty-four".