164415116511247 has 16 divisors (see below), whose sum is σ = 188109832700160. Its totient is φ = 140772118318848.

The previous prime is 164415116511193. The next prime is 164415116511343. The reversal of 164415116511247 is 742115611514461.

It is a cyclic number.

It is not a de Polignac number, because 164415116511247 - 2⁷ = 164415116511119 is a prime.

It is a super-3 number, since 3×164415116511247³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164415116511247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164415116512247) 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, 287582728 + ... + 288153874.

It is an arithmetic number, because the mean of its divisors is an integer number (11756864543760).

Almost surely, 2^{164415116511247} is an apocalyptic number.

164415116511247 is a deficient number, since it is larger than the sum of its proper divisors (23694716188913).

164415116511247 is an equidigital number, since it uses as much as digits as its factorization.

164415116511247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616350.

The product of its digits is 806400, while the sum is 49.

The spelling of 164415116511247 in words is "one hundred sixty-four trillion, four hundred fifteen billion, one hundred sixteen million, five hundred eleven thousand, two hundred forty-seven".