13166263046331 has 48 divisors (see below), whose sum is σ = 19380223044000. Its totient is φ = 8611786377216.

The previous prime is 13166263046323. The next prime is 13166263046341. The reversal of 13166263046331 is 13364036266131.

It is a happy number.

13166263046331 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 6 + 2 + 6 + 3 + 0 + 4 + 633 + 1 = 666.

It is not a de Polignac number, because 13166263046331 - 2³ = 13166263046323 is a prime.

It is a super-2 number, since 2×13166263046331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13166263046341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749394315 + ... + 749411883.

It is an arithmetic number, because the mean of its divisors is an integer number (403754646750).

Almost surely, 2^{13166263046331} is an apocalyptic number.

13166263046331 is a deficient number, since it is larger than the sum of its proper divisors (6213959997669).

13166263046331 is a wasteful number, since it uses less digits than its factorization.

13166263046331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24540 (or 24537 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 13166263046331 in words is "thirteen trillion, one hundred sixty-six billion, two hundred sixty-three million, forty-six thousand, three hundred thirty-one".