164577412 has 6 divisors (see below), whose sum is σ = 288010478. Its totient is φ = 82288704.

The previous prime is 164577389. The next prime is 164577421. The reversal of 164577412 is 214775461.

It can be written as a sum of positive squares in only one way, i.e., 158105476 + 6471936 = 12574^2 + 2544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20572173 + ... + 20572180.

Almost surely, 2^164577412 is an apocalyptic number.

It is an amenable number.

164577412 is a deficient number, since it is larger than the sum of its proper divisors (123433066).

164577412 is a wasteful number, since it uses less digits than its factorization.

164577412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41144357 (or 41144355 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 164577412 is about 12828.7728173820. The cubic root of 164577412 is about 548.0120097888.

The spelling of 164577412 in words is "one hundred sixty-four million, five hundred seventy-seven thousand, four hundred twelve".