97164455 has 4 divisors (see below), whose sum is σ = 116597352. Its totient is φ = 77731560.

The previous prime is 97164451. The next prime is 97164491. The reversal of 97164455 is 55446179.

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

It is not a de Polignac number, because 97164455 - 2² = 97164451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97164451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716441 + ... + 9716450.

It is an arithmetic number, because the mean of its divisors is an integer number (29149338).

Almost surely, 2^97164455 is an apocalyptic number.

97164455 is a deficient number, since it is larger than the sum of its proper divisors (19432897).

97164455 is a wasteful number, since it uses less digits than its factorization.

97164455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432896.

The product of its digits is 151200, while the sum is 41.

The square root of 97164455 is about 9857.2032037490. The cubic root of 97164455 is about 459.7296063709.

The spelling of 97164455 in words is "ninety-seven million, one hundred sixty-four thousand, four hundred fifty-five".