104666515778 has 32 divisors (see below), whose sum is σ = 174214368000. Its totient is φ = 46758859920.

The previous prime is 104666515769. The next prime is 104666515831. The reversal of 104666515778 is 877515666401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10611413 + ... + 10621271.

It is an arithmetic number, because the mean of its divisors is an integer number (5444199000).

Almost surely, 2^104666515778 is an apocalyptic number.

104666515778 is a deficient number, since it is larger than the sum of its proper divisors (69547852222).

104666515778 is a wasteful number, since it uses less digits than its factorization.

104666515778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 104666515778 in words is "one hundred four billion, six hundred sixty-six million, five hundred fifteen thousand, seven hundred seventy-eight".