164842972 has 48 divisors (see below), whose sum is σ = 336655872. Its totient is φ = 69168960.

The previous prime is 164842967. The next prime is 164843011. The reversal of 164842972 is 279248461.

It is a congruent number.

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, 562458 + ... + 562750.

It is an arithmetic number, because the mean of its divisors is an integer number (7013664).

Almost surely, 2^164842972 is an apocalyptic number.

It is an amenable number.

164842972 is an abundant number, since it is smaller than the sum of its proper divisors (171812900).

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

164842972 is a wasteful number, since it uses less digits than its factorization.

164842972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 164842972 is about 12839.1188171151. The cubic root of 164842972 is about 548.3066064419.

The spelling of 164842972 in words is "one hundred sixty-four million, eight hundred forty-two thousand, nine hundred seventy-two".