164709908 has 24 divisors (see below), whose sum is σ = 325291680. Its totient is φ = 72285920.

The previous prime is 164709899. The next prime is 164709911. The reversal of 164709908 is 809907461.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 63266 + ... + 65817.

It is an arithmetic number, because the mean of its divisors is an integer number (13553820).

Almost surely, 2^164709908 is an apocalyptic number.

It is an amenable number.

164709908 is a deficient number, since it is larger than the sum of its proper divisors (160581772).

164709908 is a wasteful number, since it uses less digits than its factorization.

164709908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129127 (or 129125 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 164709908 is about 12833.9357953825. The cubic root of 164709908 is about 548.1590326435.

The spelling of 164709908 in words is "one hundred sixty-four million, seven hundred nine thousand, nine hundred eight".