164275515 has 12 divisors (see below), whose sum is σ = 284744304. Its totient is φ = 87613584.

The previous prime is 164275513. The next prime is 164275519. The reversal of 164275515 is 515572461.

164275515 is a `hidden beast` number, since 1 + 642 + 7 + 5 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 164275515 - 2¹ = 164275513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164275515.

It is not an unprimeable number, because it can be changed into a prime (164275511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1825239 + ... + 1825328.

It is an arithmetic number, because the mean of its divisors is an integer number (23728692).

Almost surely, 2^164275515 is an apocalyptic number.

164275515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164275515 is a deficient number, since it is larger than the sum of its proper divisors (120468789).

164275515 is a wasteful number, since it uses less digits than its factorization.

164275515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650578 (or 3650575 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 164275515 is about 12817.0010142779. The cubic root of 164275515 is about 547.6767178338.

The spelling of 164275515 in words is "one hundred sixty-four million, two hundred seventy-five thousand, five hundred fifteen".