164870915015 has 8 divisors (see below), whose sum is σ = 197948856240. Its totient is φ = 131827559872.

The previous prime is 164870915009. The next prime is 164870915017. The reversal of 164870915015 is 510519078461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164870915015 - 2⁶ = 164870914951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164870915017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8636030 + ... + 8655099.

It is an arithmetic number, because the mean of its divisors is an integer number (24743607030).

Almost surely, 2^164870915015 is an apocalyptic number.

164870915015 is a deficient number, since it is larger than the sum of its proper divisors (33077941225).

164870915015 is a wasteful number, since it uses less digits than its factorization.

164870915015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293041.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 164870915015 in words is "one hundred sixty-four billion, eight hundred seventy million, nine hundred fifteen thousand, fifteen".