104555513666 has 8 divisors (see below), whose sum is σ = 156884515644. Its totient is φ = 52260675120.

The previous prime is 104555513633. The next prime is 104555513681. The reversal of 104555513666 is 666315555401.

It can be written as a sum of positive squares in 2 ways, for example, as 70395233041 + 34160280625 = 265321^2 + 184825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×104555513666² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104555513666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8533205 + ... + 8545448.

Almost surely, 2^104555513666 is an apocalyptic number.

104555513666 is a deficient number, since it is larger than the sum of its proper divisors (52329001978).

104555513666 is a wasteful number, since it uses less digits than its factorization.

104555513666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17081716.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 104555513666 in words is "one hundred four billion, five hundred fifty-five million, five hundred thirteen thousand, six hundred sixty-six".