13056617816 has 16 divisors (see below), whose sum is σ = 26706718440. Its totient is φ = 5934826240.

The previous prime is 13056617753. The next prime is 13056617857. The reversal of 13056617816 is 61871665031.

It is a super-3 number, since 3×13056617816³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74185241 + ... + 74185416.

Almost surely, 2^13056617816 is an apocalyptic number.

It is an amenable number.

13056617816 is an abundant number, since it is smaller than the sum of its proper divisors (13650100624).

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

13056617816 is a wasteful number, since it uses less digits than its factorization.

13056617816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148370674 (or 148370670 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 13056617816 in words is "thirteen billion, fifty-six million, six hundred seventeen thousand, eight hundred sixteen".