164729632 has 24 divisors (see below), whose sum is σ = 326497500. Its totient is φ = 81809664.

The previous prime is 164729623. The next prime is 164729633. The reversal of 164729632 is 236927461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 163737616 + 992016 = 12796^2 + 996^2 .

It is not an unprimeable number, because it can be changed into a prime (164729633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12507 + ... + 22042.

Almost surely, 2^164729632 is an apocalyptic number.

It is an amenable number.

164729632 is a deficient number, since it is larger than the sum of its proper divisors (161767868).

164729632 is a wasteful number, since it uses less digits than its factorization.

164729632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34708 (or 34700 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 164729632 is about 12834.7042038373. The cubic root of 164729632 is about 548.1809124388.

The spelling of 164729632 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, six hundred thirty-two".