164092564 has 6 divisors (see below), whose sum is σ = 287161994. Its totient is φ = 82046280.

The previous prime is 164092541. The next prime is 164092583. The reversal of 164092564 is 465290461.

It can be written as a sum of positive squares in only one way, i.e., 97180164 + 66912400 = 9858^2 + 8180^2 .

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, 20511567 + ... + 20511574.

Almost surely, 2^164092564 is an apocalyptic number.

It is an amenable number.

164092564 is a deficient number, since it is larger than the sum of its proper divisors (123069430).

164092564 is a wasteful number, since it uses less digits than its factorization.

164092564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41023145 (or 41023143 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 164092564 is about 12809.8619820824. The cubic root of 164092564 is about 547.4733293931.

The spelling of 164092564 in words is "one hundred sixty-four million, ninety-two thousand, five hundred sixty-four".