13185686046 has 16 divisors (see below), whose sum is σ = 28399939344. Its totient is φ = 4057134144.

The previous prime is 13185686039. The next prime is 13185686053. The reversal of 13185686046 is 64068658131.

It is an interprime number because it is at equal distance from previous prime (13185686039) and next prime (13185686053).

It is a super-2 number, since 2×13185686046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13185685986 and 13185686004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84523551 + ... + 84523706.

It is an arithmetic number, because the mean of its divisors is an integer number (1774996209).

Almost surely, 2^13185686046 is an apocalyptic number.

13185686046 is an abundant number, since it is smaller than the sum of its proper divisors (15214253298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13185686046 is a wasteful number, since it uses less digits than its factorization.

13185686046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169047275.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 13185686046 in words is "thirteen billion, one hundred eighty-five million, six hundred eighty-six thousand, forty-six".