13512013166 has 4 divisors (see below), whose sum is σ = 20268019752. Its totient is φ = 6756006582.

The previous prime is 13512013157. The next prime is 13512013169. The reversal of 13512013166 is 66131021531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66131021531 = 10093 ⋅6552167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512013169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3378003290 + ... + 3378003293.

It is an arithmetic number, because the mean of its divisors is an integer number (5067004938).

Almost surely, 2^13512013166 is an apocalyptic number.

13512013166 is a deficient number, since it is larger than the sum of its proper divisors (6756006586).

13512013166 is an equidigital number, since it uses as much as digits as its factorization.

13512013166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756006585.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 13512013166 its reverse (66131021531), we get a palindrome (79643034697).

The spelling of 13512013166 in words is "thirteen billion, five hundred twelve million, thirteen thousand, one hundred sixty-six".