13027322646 has 24 divisors (see below), whose sum is σ = 30397086720. Its totient is φ = 4008406896.

The previous prime is 13027322629. The next prime is 13027322669. The reversal of 13027322646 is 64622372031.

13027322646 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 7 + 3 + 2 + 2 + 646 = 666.

It is a super-2 number, since 2×13027322646² (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 13027322646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27835926 + ... + 27836393.

It is an arithmetic number, because the mean of its divisors is an integer number (1266545280).

Almost surely, 2^13027322646 is an apocalyptic number.

13027322646 is an abundant number, since it is smaller than the sum of its proper divisors (17369764074).

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

13027322646 is a wasteful number, since it uses less digits than its factorization.

13027322646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55672340 (or 55672337 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 13027322646 its reverse (64622372031), we get a palindrome (77649694677).

The spelling of 13027322646 in words is "thirteen billion, twenty-seven million, three hundred twenty-two thousand, six hundred forty-six".