13166977275 has 180 divisors, whose sum is σ = 26255499600. Its totient is φ = 6521472000.

The previous prime is 13166977261. The next prime is 13166977297. The reversal of 13166977275 is 57277966131.

It is not a de Polignac number, because 13166977275 - 2⁴ = 13166977259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 87198450 + ... + 87198600.

Almost surely, 2^13166977275 is an apocalyptic number.

13166977275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13166977275 is a deficient number, since it is larger than the sum of its proper divisors (13088522325).

13166977275 is a wasteful number, since it uses less digits than its factorization.

13166977275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 325 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The spelling of 13166977275 in words is "thirteen billion, one hundred sixty-six million, nine hundred seventy-seven thousand, two hundred seventy-five".