164001415 has 16 divisors (see below), whose sum is σ = 201468960. Its totient is φ = 128119680.

The previous prime is 164001413. The next prime is 164001419. The reversal of 164001415 is 514100461.

It is not a de Polignac number, because 164001415 - 2¹ = 164001413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164001413) 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, 44545 + ... + 48085.

It is an arithmetic number, because the mean of its divisors is an integer number (12591810).

Almost surely, 2^164001415 is an apocalyptic number.

164001415 is a deficient number, since it is larger than the sum of its proper divisors (37467545).

164001415 is a wasteful number, since it uses less digits than its factorization.

164001415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 164001415 is about 12806.3037212148. The cubic root of 164001415 is about 547.3719417214.

Adding to 164001415 its reverse (514100461), we get a palindrome (678101876).

The spelling of 164001415 in words is "one hundred sixty-four million, one thousand, four hundred fifteen".