12554560166 has 16 divisors (see below), whose sum is σ = 19834274304. Its totient is φ = 5948237064.

The previous prime is 12554560133. The next prime is 12554560171. The reversal of 12554560166 is 66106545521.

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, 1270430 + ... + 1280273.

It is an arithmetic number, because the mean of its divisors is an integer number (1239642144).

Almost surely, 2^12554560166 is an apocalyptic number.

12554560166 is a deficient number, since it is larger than the sum of its proper divisors (7279714138).

12554560166 is a wasteful number, since it uses less digits than its factorization.

12554560166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550835.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 12554560166 in words is "twelve billion, five hundred fifty-four million, five hundred sixty thousand, one hundred sixty-six".