164729485 has 16 divisors (see below), whose sum is σ = 201174192. Its totient is φ = 129472000.

The previous prime is 164729471. The next prime is 164729497. The reversal of 164729485 is 584927461.

It can be written as a sum of positive squares in 8 ways, for example, as 2064969 + 162664516 = 1437^2 + 12754^2 .

It is not a de Polignac number, because 164729485 - 2⁹ = 164728973 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 67995 + ... + 70375.

It is an arithmetic number, because the mean of its divisors is an integer number (12573387).

Almost surely, 2^164729485 is an apocalyptic number.

It is an amenable number.

164729485 is a deficient number, since it is larger than the sum of its proper divisors (36444707).

164729485 is a wasteful number, since it uses less digits than its factorization.

164729485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its digits is 483840, while the sum is 46.

The square root of 164729485 is about 12834.6984771751. The cubic root of 164729485 is about 548.1807493785.

The spelling of 164729485 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, four hundred eighty-five".