164897454 has 16 divisors (see below), whose sum is σ = 329931648. Its totient is φ = 54943032.

The previous prime is 164897443. The next prime is 164897461. The reversal of 164897454 is 454798461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16839 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (20620728).

Almost surely, 2^164897454 is an apocalyptic number.

164897454 is an abundant number, since it is smaller than the sum of its proper divisors (165034194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164897454 is a wasteful number, since it uses less digits than its factorization.

164897454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399.

The product of its digits is 967680, while the sum is 48.

The square root of 164897454 is about 12841.2403606505. The cubic root of 164897454 is about 548.3670064491.

The spelling of 164897454 in words is "one hundred sixty-four million, eight hundred ninety-seven thousand, four hundred fifty-four".