164121015513 has 16 divisors (see below), whose sum is σ = 269326795136. Its totient is φ = 86569326720.

The previous prime is 164121015467. The next prime is 164121015563. The reversal of 164121015513 is 315510121461.

It is not a de Polignac number, because 164121015513 - 2¹⁴ = 164120999129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164121015563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300587668 + ... + 300588213.

It is an arithmetic number, because the mean of its divisors is an integer number (16832924696).

Almost surely, 2^164121015513 is an apocalyptic number.

164121015513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164121015513 is a deficient number, since it is larger than the sum of its proper divisors (105205779623).

164121015513 is a wasteful number, since it uses less digits than its factorization.

164121015513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601175904.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 164121015513 its reverse (315510121461), we get a palindrome (479631136974).

The spelling of 164121015513 in words is "one hundred sixty-four billion, one hundred twenty-one million, fifteen thousand, five hundred thirteen".