104406173661 has 16 divisors (see below), whose sum is σ = 141824374400. Its totient is φ = 68305628160.

The previous prime is 104406173647. The next prime is 104406173689. The reversal of 104406173661 is 166371604401.

It is not a de Polignac number, because 104406173661 - 2¹¹ = 104406171613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104406173621) 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, 1154260 + ... + 1241421.

It is an arithmetic number, because the mean of its divisors is an integer number (8864023400).

Almost surely, 2^104406173661 is an apocalyptic number.

It is an amenable number.

104406173661 is a deficient number, since it is larger than the sum of its proper divisors (37418200739).

104406173661 is a wasteful number, since it uses less digits than its factorization.

104406173661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395956.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 104406173661 in words is "one hundred four billion, four hundred six million, one hundred seventy-three thousand, six hundred sixty-one".