13161966356 has 48 divisors (see below), whose sum is σ = 28736397312. Its totient is φ = 5124578400.

The previous prime is 13161966341. The next prime is 13161966373. The reversal of 13161966356 is 65366916131.

It is a self number, because there is not a number n which added to its sum of digits gives 13161966356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469001 + ... + 496271.

It is an arithmetic number, because the mean of its divisors is an integer number (598674944).

Almost surely, 2^13161966356 is an apocalyptic number.

It is an amenable number.

13161966356 is an abundant number, since it is smaller than the sum of its proper divisors (15574430956).

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

13161966356 is a wasteful number, since it uses less digits than its factorization.

13161966356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860 (or 28858 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The spelling of 13161966356 in words is "thirteen billion, one hundred sixty-one million, nine hundred sixty-six thousand, three hundred fifty-six".