169426761813 has 48 divisors (see below), whose sum is σ = 251123891200. Its totient is φ = 110042491680.

The previous prime is 169426761767. The next prime is 169426761851. The reversal of 169426761813 is 318167624961.

169426761813 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 2 + 6 + 7 + 618 + 13 = 666.

It is not a de Polignac number, because 169426761813 - 2⁸ = 169426761557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169426761813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169426765813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22710678 + ... + 22718136.

Almost surely, 2^169426761813 is an apocalyptic number.

It is an amenable number.

169426761813 is a deficient number, since it is larger than the sum of its proper divisors (81697129387).

169426761813 is a wasteful number, since it uses less digits than its factorization.

169426761813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942 (or 7939 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 169426761813 in words is "one hundred sixty-nine billion, four hundred twenty-six million, seven hundred sixty-one thousand, eight hundred thirteen".