13158580437 has 16 divisors (see below), whose sum is σ = 20166408000. Its totient is φ = 8469890352.

The previous prime is 13158580427. The next prime is 13158580453. The reversal of 13158580437 is 73408585131.

It is a happy number.

13158580437 is a `hidden beast` number, since 1 + 31 + 5 + 8 + 580 + 4 + 37 = 666.

It is not a de Polignac number, because 13158580437 - 2¹⁵ = 13158547669 is a prime.

It is a super-2 number, since 2×13158580437² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13158580392 and 13158580401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13158580427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8401887 + ... + 8403452.

It is an arithmetic number, because the mean of its divisors is an integer number (1260400500).

Almost surely, 2^13158580437 is an apocalyptic number.

It is an amenable number.

13158580437 is a deficient number, since it is larger than the sum of its proper divisors (7007827563).

13158580437 is a wasteful number, since it uses less digits than its factorization.

13158580437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805377 (or 16805371 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 13158580437 in words is "thirteen billion, one hundred fifty-eight million, five hundred eighty thousand, four hundred thirty-seven".