164879897 has 8 divisors (see below), whose sum is σ = 202929216. Its totient is φ = 130454352.

The previous prime is 164879851. The next prime is 164879903. The reversal of 164879897 is 798978461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164879897 - 2⁶ = 164879833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164875897) 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, 905843 + ... + 906024.

It is an arithmetic number, because the mean of its divisors is an integer number (25366152).

Almost surely, 2^164879897 is an apocalyptic number.

It is an amenable number.

164879897 is a deficient number, since it is larger than the sum of its proper divisors (38049319).

164879897 is a wasteful number, since it uses less digits than its factorization.

164879897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811887.

The product of its digits is 6096384, while the sum is 59.

The square root of 164879897 is about 12840.5567246907. The cubic root of 164879897 is about 548.3475438053.

The spelling of 164879897 in words is "one hundred sixty-four million, eight hundred seventy-nine thousand, eight hundred ninety-seven".