13401566156 has 24 divisors (see below), whose sum is σ = 25590964224. Its totient is φ = 6090155280.

The previous prime is 13401566149. The next prime is 13401566173. The reversal of 13401566156 is 65166510431.

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, 160181 + ... + 229043.

It is an arithmetic number, because the mean of its divisors is an integer number (1066290176).

Almost surely, 2^13401566156 is an apocalyptic number.

It is an amenable number.

13401566156 is a deficient number, since it is larger than the sum of its proper divisors (12189398068).

13401566156 is a wasteful number, since it uses less digits than its factorization.

13401566156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73301 (or 73299 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 13401566156 in words is "thirteen billion, four hundred one million, five hundred sixty-six thousand, one hundred fifty-six".