55560166671 has 16 divisors (see below), whose sum is σ = 77437890560. Its totient is φ = 35391526560.

The previous prime is 55560166667. The next prime is 55560166687. The reversal of 55560166671 is 17666106555.

It is not a de Polignac number, because 55560166671 - 2² = 55560166667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55560166671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560166621) 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, 3773800 + ... + 3788493.

It is an arithmetic number, because the mean of its divisors is an integer number (4839868160).

Almost surely, 2^55560166671 is an apocalyptic number.

55560166671 is a deficient number, since it is larger than the sum of its proper divisors (21877723889).

55560166671 is a wasteful number, since it uses less digits than its factorization.

55560166671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562406.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 55560166671 in words is "fifty-five billion, five hundred sixty million, one hundred sixty-six thousand, six hundred seventy-one".