164166136 has 8 divisors (see below), whose sum is σ = 307811520. Its totient is φ = 82083064.

The previous prime is 164166113. The next prime is 164166179. The reversal of 164166136 is 631661461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260376 + ... + 10260391.

It is an arithmetic number, because the mean of its divisors is an integer number (38476440).

Almost surely, 2^164166136 is an apocalyptic number.

It is an amenable number.

164166136 is a deficient number, since it is larger than the sum of its proper divisors (143645384).

164166136 is a wasteful number, since it uses less digits than its factorization.

164166136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20520773 (or 20520769 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 164166136 is about 12812.7333539725. The cubic root of 164166136 is about 547.5551382790. Note that the first 3 decimals are identical.

The spelling of 164166136 in words is "one hundred sixty-four million, one hundred sixty-six thousand, one hundred thirty-six".