164207415 has 16 divisors (see below), whose sum is σ = 262987776. Its totient is φ = 87492000.

The previous prime is 164207413. The next prime is 164207447. The reversal of 164207415 is 514702461.

It is not a de Polignac number, because 164207415 - 2¹ = 164207413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164207413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12510 + ... + 22020.

It is an arithmetic number, because the mean of its divisors is an integer number (16436736).

Almost surely, 2^164207415 is an apocalyptic number.

164207415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164207415 is a deficient number, since it is larger than the sum of its proper divisors (98780361).

164207415 is a wasteful number, since it uses less digits than its factorization.

164207415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 164207415 is about 12814.3441111904. The cubic root of 164207415 is about 547.6010280403.

Adding to 164207415 its reverse (514702461), we get a palindrome (678909876).

The spelling of 164207415 in words is "one hundred sixty-four million, two hundred seven thousand, four hundred fifteen".