13187666253 has 32 divisors (see below), whose sum is σ = 18136742400. Its totient is φ = 8520200000.

The previous prime is 13187666231. The next prime is 13187666269. The reversal of 13187666253 is 35266678131.

It is a cyclic number.

It is not a de Polignac number, because 13187666253 - 2¹⁴ = 13187649869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13187664253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4485658 + ... + 4488596.

It is an arithmetic number, because the mean of its divisors is an integer number (566773200).

Almost surely, 2^13187666253 is an apocalyptic number.

It is an amenable number.

13187666253 is a deficient number, since it is larger than the sum of its proper divisors (4949076147).

13187666253 is a wasteful number, since it uses less digits than its factorization.

13187666253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its digits is 1088640, while the sum is 48.

The spelling of 13187666253 in words is "thirteen billion, one hundred eighty-seven million, six hundred sixty-six thousand, two hundred fifty-three".