164049475 has 12 divisors (see below), whose sum is σ = 204301656. Its totient is φ = 130671680.

The previous prime is 164049467. The next prime is 164049493. The reversal of 164049475 is 574940461.

It is not a de Polignac number, because 164049475 - 2³ = 164049467 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 8257 + ... + 19906.

It is an arithmetic number, because the mean of its divisors is an integer number (17025138).

Almost surely, 2^164049475 is an apocalyptic number.

164049475 is a deficient number, since it is larger than the sum of its proper divisors (40252181).

164049475 is a wasteful number, since it uses less digits than its factorization.

164049475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28406 (or 28401 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 164049475 is about 12808.1800034197. The cubic root of 164049475 is about 547.4254049313.

It can be divided in two parts, 1640 and 49475, that added together give a palindrome (51115).

The spelling of 164049475 in words is "one hundred sixty-four million, forty-nine thousand, four hundred seventy-five".