13166263050536 has 16 divisors (see below), whose sum is σ = 24686908021140. Its totient is φ = 6583087578240.

The previous prime is 13166263050517. The next prime is 13166263050539. The reversal of 13166263050536 is 63505036266131.

It can be written as a sum of positive squares in 2 ways, for example, as 11585132845636 + 1581130204900 = 3403694^2 + 1257430^2 .

It is not an unprimeable number, because it can be changed into a prime (13166263050539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202255 + ... + 6632606.

Almost surely, 2^{13166263050536} is an apocalyptic number.

It is an amenable number.

13166263050536 is a deficient number, since it is larger than the sum of its proper divisors (11520644970604).

13166263050536 is a wasteful number, since it uses less digits than its factorization.

13166263050536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986764 (or 10986760 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 13166263050536 in words is "thirteen trillion, one hundred sixty-six billion, two hundred sixty-three million, fifty thousand, five hundred thirty-six".