164170308544 has 28 divisors (see below), whose sum is σ = 355391408088. Its totient is φ = 74622867200.

The previous prime is 164170308517. The next prime is 164170308559. The reversal of 164170308544 is 445803071461.

It is a self number, because there is not a number n which added to its sum of digits gives 164170308544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116597527 + ... + 116598934.

Almost surely, 2^164170308544 is an apocalyptic number.

It is an amenable number.

164170308544 is an abundant number, since it is smaller than the sum of its proper divisors (191221099544).

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

164170308544 is a wasteful number, since it uses less digits than its factorization.

164170308544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233196484 (or 233196474 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 164170308544 in words is "one hundred sixty-four billion, one hundred seventy million, three hundred eight thousand, five hundred forty-four".