164492461 has 12 divisors (see below), whose sum is σ = 192732960. Its totient is φ = 139973400.

The previous prime is 164492453. The next prime is 164492507. The reversal of 164492461 is 164294461.

It is not a de Polignac number, because 164492461 - 2³ = 164492453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164492461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164492261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5265 + ... + 18886.

It is an arithmetic number, because the mean of its divisors is an integer number (16061080).

Almost surely, 2^164492461 is an apocalyptic number.

It is an amenable number.

164492461 is a deficient number, since it is larger than the sum of its proper divisors (28240499).

164492461 is a wasteful number, since it uses less digits than its factorization.

164492461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24304 (or 24297 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 164492461 is about 12825.4614341941. The cubic root of 164492461 is about 547.9177032453.

The spelling of 164492461 in words is "one hundred sixty-four million, four hundred ninety-two thousand, four hundred sixty-one".