164315415 has 32 divisors (see below), whose sum is σ = 288677376. Its totient is φ = 79148160.

The previous prime is 164315383. The next prime is 164315441. The reversal of 164315415 is 514513461.

It is a happy number.

It is not a de Polignac number, because 164315415 - 2⁵ = 164315383 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 22734 + ... + 29076.

It is an arithmetic number, because the mean of its divisors is an integer number (9021168).

Almost surely, 2^164315415 is an apocalyptic number.

164315415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164315415 is a deficient number, since it is larger than the sum of its proper divisors (124361961).

164315415 is a wasteful number, since it uses less digits than its factorization.

164315415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519.

The product of its digits is 7200, while the sum is 30.

The square root of 164315415 is about 12818.5574461403. The cubic root of 164315415 is about 547.7210549993.

Adding to 164315415 its reverse (514513461), we get a palindrome (678828876).

The spelling of 164315415 in words is "one hundred sixty-four million, three hundred fifteen thousand, four hundred fifteen".