16913345386 has 12 divisors (see below), whose sum is σ = 29512062018. Its totient is φ = 7248576552.

The previous prime is 16913345369. The next prime is 16913345419. The reversal of 16913345386 is 68354331961.

16913345386 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12915186025 + 3998159361 = 113645^2 + 63231^2 .

It is a super-2 number, since 2×16913345386² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86292481 + ... + 86292676.

Almost surely, 2^16913345386 is an apocalyptic number.

16913345386 is a deficient number, since it is larger than the sum of its proper divisors (12598716632).

16913345386 is a wasteful number, since it uses less digits than its factorization.

16913345386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172585173 (or 172585166 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The spelling of 16913345386 in words is "sixteen billion, nine hundred thirteen million, three hundred forty-five thousand, three hundred eighty-six".