13166660530 has 32 divisors (see below), whose sum is σ = 24353409600. Its totient is φ = 5121610560.

The previous prime is 13166660509. The next prime is 13166660543. The reversal of 13166660530 is 3506666131.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 13166660530.

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, 780121 + ... + 796819.

It is an arithmetic number, because the mean of its divisors is an integer number (761044050).

Almost surely, 2^13166660530 is an apocalyptic number.

13166660530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13166660530 is a deficient number, since it is larger than the sum of its proper divisors (11186749070).

13166660530 is a wasteful number, since it uses less digits than its factorization.

13166660530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 13166660530 in words is "thirteen billion, one hundred sixty-six million, six hundred sixty thousand, five hundred thirty".