164598497 has 8 divisors (see below), whose sum is σ = 191952000. Its totient is φ = 141084132.

The previous prime is 164598479. The next prime is 164598503. The reversal of 164598497 is 794895461.

It is not a de Polignac number, because 164598497 - 2⁶ = 164598433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164598407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239597 + ... + 240282.

It is an arithmetic number, because the mean of its divisors is an integer number (23994000).

Almost surely, 2^164598497 is an apocalyptic number.

It is an amenable number.

164598497 is a deficient number, since it is larger than the sum of its proper divisors (27353503).

164598497 is an frugal number, since it uses more digits than its factorization.

164598497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479900 (or 479886 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 164598497 is about 12829.5945766030. The cubic root of 164598497 is about 548.0354118253.

The spelling of 164598497 in words is "one hundred sixty-four million, five hundred ninety-eight thousand, four hundred ninety-seven".