104685618852 has 18 divisors (see below), whose sum is σ = 264621981078. Its totient is φ = 34895206272.

The previous prime is 104685618839. The next prime is 104685618859. The reversal of 104685618852 is 258816586401.

104685618852 is a `hidden beast` number, since 1 + 0 + 468 + 56 + 1 + 88 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72121250916 + 32564367936 = 268554^2 + 180456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (104685618859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1453966893 + ... + 1453966964.

It is an arithmetic number, because the mean of its divisors is an integer number (14701221171).

Almost surely, 2^104685618852 is an apocalyptic number.

104685618852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104685618852 is an abundant number, since it is smaller than the sum of its proper divisors (159936362226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104685618852 is a wasteful number, since it uses less digits than its factorization.

104685618852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907933867 (or 2907933862 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 104685618852 in words is "one hundred four billion, six hundred eighty-five million, six hundred eighteen thousand, eight hundred fifty-two".