55560166628 has 6 divisors (see below), whose sum is σ = 97230291606. Its totient is φ = 27780083312.

The previous prime is 55560166621. The next prime is 55560166667. The reversal of 55560166628 is 82666106555.

It can be written as a sum of positive squares in only one way, i.e., 54797191744 + 762974884 = 234088^2 + 27622^2 .

It is a super-2 number, since 2×55560166628² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 6945020825 + ... + 6945020832.

It is an arithmetic number, because the mean of its divisors is an integer number (16205048601).

Almost surely, 2^55560166628 is an apocalyptic number.

It is an amenable number.

55560166628 is a deficient number, since it is larger than the sum of its proper divisors (41670124978).

55560166628 is a wasteful number, since it uses less digits than its factorization.

55560166628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890041661 (or 13890041659 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 55560166628 in words is "fifty-five billion, five hundred sixty million, one hundred sixty-six thousand, six hundred twenty-eight".