164136626 has 4 divisors (see below), whose sum is σ = 246204942. Its totient is φ = 82068312.

The previous prime is 164136589. The next prime is 164136677. The reversal of 164136626 is 626631461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 39702601 = 11155^2 + 6301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41034155 + ... + 41034158.

Almost surely, 2^164136626 is an apocalyptic number.

164136626 is a deficient number, since it is larger than the sum of its proper divisors (82068316).

164136626 is an equidigital number, since it uses as much as digits as its factorization.

164136626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82068315.

The product of its digits is 31104, while the sum is 35.

The square root of 164136626 is about 12811.5817134341. The cubic root of 164136626 is about 547.5223273701.

The spelling of 164136626 in words is "one hundred sixty-four million, one hundred thirty-six thousand, six hundred twenty-six".