164729697 has 16 divisors (see below), whose sum is σ = 240257280. Its totient is φ = 99565200.

The previous prime is 164729681. The next prime is 164729699. The reversal of 164729697 is 796927461.

It is not a de Polignac number, because 164729697 - 2⁴ = 164729681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164729699) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5922 + ... + 19092.

It is an arithmetic number, because the mean of its divisors is an integer number (15016080).

Almost surely, 2^164729697 is an apocalyptic number.

It is an amenable number.

164729697 is a deficient number, since it is larger than the sum of its proper divisors (75527583).

164729697 is a wasteful number, since it uses less digits than its factorization.

164729697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564.

The product of its digits is 1143072, while the sum is 51.

The square root of 164729697 is about 12834.7067360341. The cubic root of 164729697 is about 548.1809845403.

The spelling of 164729697 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, six hundred ninety-seven".