13168797858 has 32 divisors (see below), whose sum is σ = 29330107200. Its totient is φ = 4379682528.

The previous prime is 13168797827. The next prime is 13168797877. The reversal of 13168797858 is 85879786131.

It is a junction number, because it is equal to n+sod(n) for n = 13168797795 and 13168797804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251323 + ... + 299166.

It is an arithmetic number, because the mean of its divisors is an integer number (916565850).

Almost surely, 2^13168797858 is an apocalyptic number.

13168797858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13168797858 is an abundant number, since it is smaller than the sum of its proper divisors (16161309342).

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

13168797858 is a wasteful number, since it uses less digits than its factorization.

13168797858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550943 (or 550937 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The spelling of 13168797858 in words is "thirteen billion, one hundred sixty-eight million, seven hundred ninety-seven thousand, eight hundred fifty-eight".