12606515163 has 32 divisors (see below), whose sum is σ = 20708198400. Its totient is φ = 7515050400.

The previous prime is 12606515099. The next prime is 12606515171. The reversal of 12606515163 is 36151560621.

12606515163 is a `hidden beast` number, since 126 + 0 + 6 + 515 + 16 + 3 = 666.

It is not a de Polignac number, because 12606515163 - 2⁶ = 12606515099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12606515063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329803 + ... + 366036.

It is an arithmetic number, because the mean of its divisors is an integer number (647131200).

Almost surely, 2^12606515163 is an apocalyptic number.

12606515163 is a deficient number, since it is larger than the sum of its proper divisors (8101683237).

12606515163 is a wasteful number, since it uses less digits than its factorization.

12606515163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695920 (or 695914 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 12606515163 in words is "twelve billion, six hundred six million, five hundred fifteen thousand, one hundred sixty-three".