13166959305530 has 16 divisors (see below), whose sum is σ = 23700598596864. Its totient is φ = 5266767756240.

The previous prime is 13166959305527. The next prime is 13166959305583. The reversal of 13166959305530 is 3550395966131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814315 + ... + 5442945.

It is an arithmetic number, because the mean of its divisors is an integer number (1481287412304).

Almost surely, 2^{13166959305530} is an apocalyptic number.

13166959305530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 3628630×3628631.

13166959305530 is a deficient number, since it is larger than the sum of its proper divisors (10533639291334).

13166959305530 is a wasteful number, since it uses less digits than its factorization.

13166959305530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991501.

The product of its (nonzero) digits is 9841500, while the sum is 56.

The spelling of 13166959305530 in words is "thirteen trillion, one hundred sixty-six billion, nine hundred fifty-nine million, three hundred five thousand, five hundred thirty".