13028396164 has 81 divisors (see below), whose sum is σ = 27509840631. Its totient is φ = 5382936720.

The previous prime is 13028396141. The next prime is 13028396177. The reversal of 13028396164 is 46169382031.

The square root of 13028396164 is 114142.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×13028396164² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13028396164.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49537497 + ... + 49537759.

Almost surely, 2^13028396164 is an apocalyptic number.

13028396164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13028396164 is the 114142-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13028396164

13028396164 is an abundant number, since it is smaller than the sum of its proper divisors (14481444467).

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

13028396164 is an equidigital number, since it uses as much as digits as its factorization.

13028396164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 13028396164 in words is "thirteen billion, twenty-eight million, three hundred ninety-six thousand, one hundred sixty-four".