164161415 has 16 divisors (see below), whose sum is σ = 220713120. Its totient is φ = 116161920.

The previous prime is 164161411. The next prime is 164161429. The reversal of 164161415 is 514161461.

It is a happy number.

It is not a de Polignac number, because 164161415 - 2² = 164161411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164161411) 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, 38300 + ... + 42369.

It is an arithmetic number, because the mean of its divisors is an integer number (13794570).

Almost surely, 2^164161415 is an apocalyptic number.

164161415 is a deficient number, since it is larger than the sum of its proper divisors (56551705).

164161415 is a wasteful number, since it uses less digits than its factorization.

164161415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722.

The product of its digits is 2880, while the sum is 29.

The square root of 164161415 is about 12812.5491218571. The cubic root of 164161415 is about 547.5498894649.

The spelling of 164161415 in words is "one hundred sixty-four million, one hundred sixty-one thousand, four hundred fifteen".