12577276358166 has 32 divisors (see below), whose sum is σ = 27239184187488. Its totient is φ = 3848550347520.

The previous prime is 12577276358159. The next prime is 12577276358219. The reversal of 12577276358166 is 66185367277521.

It is a junction number, because it is equal to n+sod(n) for n = 12577276358097 and 12577276358106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445419951 + ... + 445448186.

It is an arithmetic number, because the mean of its divisors is an integer number (851224505859).

Almost surely, 2^{12577276358166} is an apocalyptic number.

12577276358166 is an abundant number, since it is smaller than the sum of its proper divisors (14661907829322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12577276358166 is a wasteful number, since it uses less digits than its factorization.

12577276358166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890868336.

The product of its digits is 177811200, while the sum is 66.

The spelling of 12577276358166 in words is "twelve trillion, five hundred seventy-seven billion, two hundred seventy-six million, three hundred fifty-eight thousand, one hundred sixty-six".