164342572 has 12 divisors (see below), whose sum is σ = 289864960. Its totient is φ = 81524016.

The previous prime is 164342557. The next prime is 164342579. The reversal of 164342572 is 275243461.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (164342579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161247 + ... + 162262.

Almost surely, 2^164342572 is an apocalyptic number.

It is an amenable number.

164342572 is a deficient number, since it is larger than the sum of its proper divisors (125522388).

164342572 is a wasteful number, since it uses less digits than its factorization.

164342572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323640 (or 323638 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 164342572 is about 12819.6166869373. The cubic root of 164342572 is about 547.7512279471.

The spelling of 164342572 in words is "one hundred sixty-four million, three hundred forty-two thousand, five hundred seventy-two".