104661852066 has 24 divisors (see below), whose sum is σ = 226926760320. Its totient is φ = 34862758776.

The previous prime is 104661851989. The next prime is 104661852079. The reversal of 104661852066 is 660258166401.

104661852066 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 61 + 8 + 520 + 66 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017446 + ... + 2068673.

It is an arithmetic number, because the mean of its divisors is an integer number (9455281680).

Almost surely, 2^104661852066 is an apocalyptic number.

104661852066 is an abundant number, since it is smaller than the sum of its proper divisors (122264908254).

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

104661852066 is a wasteful number, since it uses less digits than its factorization.

104661852066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087550 (or 4087547 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 104661852066 in words is "one hundred four billion, six hundred sixty-one million, eight hundred fifty-two thousand, sixty-six".