164982572 has 18 divisors (see below), whose sum is σ = 295603308. Its totient is φ = 80569272.

The previous prime is 164982539. The next prime is 164982577. The reversal of 164982572 is 275289461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164982577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3758 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (16422406).

Almost surely, 2^164982572 is an apocalyptic number.

It is an amenable number.

164982572 is a deficient number, since it is larger than the sum of its proper divisors (130620736).

164982572 is a wasteful number, since it uses less digits than its factorization.

164982572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397 (or 22352 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 164982572 is about 12844.5541767708. The cubic root of 164982572 is about 548.4613436121.

The spelling of 164982572 in words is "one hundred sixty-four million, nine hundred eighty-two thousand, five hundred seventy-two".