55166160012 has 48 divisors (see below), whose sum is σ = 136473291360. Its totient is φ = 17284119552.

The previous prime is 55166159987. The next prime is 55166160013. The reversal of 55166160012 is 21006166155.

It is not an unprimeable number, because it can be changed into a prime (55166160013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24187 + ... + 333042.

It is an arithmetic number, because the mean of its divisors is an integer number (2843193570).

Almost surely, 2^55166160012 is an apocalyptic number.

It is an amenable number.

55166160012 is an abundant number, since it is smaller than the sum of its proper divisors (81307131348).

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

55166160012 is a wasteful number, since it uses less digits than its factorization.

55166160012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358010 (or 358008 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 55166160012 in words is "fifty-five billion, one hundred sixty-six million, one hundred sixty thousand, twelve".