13168925646 has 16 divisors (see below), whose sum is σ = 26708807808. Its totient is φ = 4327815800.

The previous prime is 13168925639. The next prime is 13168925657. The reversal of 13168925646 is 64652986131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15456060 + ... + 15456911.

It is an arithmetic number, because the mean of its divisors is an integer number (1669300488).

Almost surely, 2^13168925646 is an apocalyptic number.

13168925646 is an abundant number, since it is smaller than the sum of its proper divisors (13539882162).

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

13168925646 is a wasteful number, since it uses less digits than its factorization.

13168925646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30913047.

The product of its digits is 1866240, while the sum is 51.

The spelling of 13168925646 in words is "thirteen billion, one hundred sixty-eight million, nine hundred twenty-five thousand, six hundred forty-six".