15161103666 has 64 divisors (see below), whose sum is σ = 33917241600. Its totient is φ = 5019936768.

The previous prime is 15161103583. The next prime is 15161103689. The reversal of 15161103666 is 66630116151.

It is a self number, because there is not a number n which added to its sum of digits gives 15161103666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5636850 + ... + 5639538.

It is an arithmetic number, because the mean of its divisors is an integer number (529956900).

Almost surely, 2^15161103666 is an apocalyptic number.

15161103666 is an abundant number, since it is smaller than the sum of its proper divisors (18756137934).

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

15161103666 is a wasteful number, since it uses less digits than its factorization.

15161103666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 15161103666 in words is "fifteen billion, one hundred sixty-one million, one hundred three thousand, six hundred sixty-six".