104640144164 has 12 divisors (see below), whose sum is σ = 183697920924. Its totient is φ = 52155023904.

The previous prime is 104640144107. The next prime is 104640144197. The reversal of 104640144164 is 461441046401.

It can be written as a sum of positive squares in 2 ways, for example, as 4146072100 + 100494072064 = 64390^2 + 317008^2 .

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, 41260619 + ... + 41263154.

It is an arithmetic number, because the mean of its divisors is an integer number (15308160077).

Almost surely, 2^104640144164 is an apocalyptic number.

It is an amenable number.

104640144164 is a deficient number, since it is larger than the sum of its proper divisors (79057776760).

104640144164 is a wasteful number, since it uses less digits than its factorization.

104640144164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82524094 (or 82524092 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 104640144164 in words is "one hundred four billion, six hundred forty million, one hundred forty-four thousand, one hundred sixty-four".