55166160008 has 32 divisors (see below), whose sum is σ = 108648639360. Its totient is φ = 26209075200.

The previous prime is 55166159987. The next prime is 55166160013. The reversal of 55166160008 is 80006166155.

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, 964985 + ... + 1020552.

It is an arithmetic number, because the mean of its divisors is an integer number (3395269980).

Almost surely, 2^55166160008 is an apocalyptic number.

It is an amenable number.

55166160008 is a deficient number, since it is larger than the sum of its proper divisors (53482479352).

55166160008 is a wasteful number, since it uses less digits than its factorization.

55166160008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985717 (or 1985713 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 55166160008 in words is "fifty-five billion, one hundred sixty-six million, one hundred sixty thousand, eight".