164156836 has 6 divisors (see below), whose sum is σ = 287274470. Its totient is φ = 82078416.

The previous prime is 164156813. The next prime is 164156869. The reversal of 164156836 is 638651461.

164156836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 8156736 = 12490^2 + 2856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20519601 + ... + 20519608.

Almost surely, 2^164156836 is an apocalyptic number.

It is an amenable number.

164156836 is a deficient number, since it is larger than the sum of its proper divisors (123117634).

164156836 is a wasteful number, since it uses less digits than its factorization.

164156836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41039213 (or 41039211 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 164156836 is about 12812.3704286131. The cubic root of 164156836 is about 547.5447984305.

The spelling of 164156836 in words is "one hundred sixty-four million, one hundred fifty-six thousand, eight hundred thirty-six".