164001755388 has 24 divisors (see below), whose sum is σ = 382678896208. Its totient is φ = 54666089856.

The previous prime is 164001755317. The next prime is 164001755399. The reversal of 164001755388 is 883557100461.

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, 592920 + ... + 824352.

Almost surely, 2^164001755388 is an apocalyptic number.

It is an amenable number.

164001755388 is an abundant number, since it is smaller than the sum of its proper divisors (218677140820).

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

164001755388 is a wasteful number, since it uses less digits than its factorization.

164001755388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290493 (or 290491 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 164001755388 in words is "one hundred sixty-four billion, one million, seven hundred fifty-five thousand, three hundred eighty-eight".