13358553858 has 160 divisors (see below), whose sum is σ = 34577928000. Its totient is φ = 3819913344.

The previous prime is 13358553841. The next prime is 13358553863. The reversal of 13358553858 is 85835585331.

It is a happy number.

13358553858 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 8 + 553 + 85 + 8 = 666.

It is a super-2 number, since 2×13358553858² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2117593 + ... + 2123891.

It is an arithmetic number, because the mean of its divisors is an integer number (216112050).

Almost surely, 2^13358553858 is an apocalyptic number.

13358553858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13358553858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17288964000).

13358553858 is an abundant number, since it is smaller than the sum of its proper divisors (21219374142).

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

13358553858 is a wasteful number, since it uses less digits than its factorization.

13358553858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398 (or 6389 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 13358553858 in words is "thirteen billion, three hundred fifty-eight million, five hundred fifty-three thousand, eight hundred fifty-eight".