164676436 has 6 divisors (see below), whose sum is σ = 288183770. Its totient is φ = 82338216.

The previous prime is 164676409. The next prime is 164676509. The reversal of 164676436 is 634676461.

It can be written as a sum of positive squares in only one way, i.e., 144480400 + 20196036 = 12020^2 + 4494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164676392 and 164676401.

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, 20584551 + ... + 20584558.

Almost surely, 2^164676436 is an apocalyptic number.

It is an amenable number.

164676436 is a deficient number, since it is larger than the sum of its proper divisors (123507334).

164676436 is a wasteful number, since it uses less digits than its factorization.

164676436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41169113 (or 41169111 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 164676436 is about 12832.6316864469. The cubic root of 164676436 is about 548.1218982206.

The spelling of 164676436 in words is "one hundred sixty-four million, six hundred seventy-six thousand, four hundred thirty-six".