104065204661 has 16 divisors (see below), whose sum is σ = 114679497600. Its totient is φ = 93643704000.

The previous prime is 104065204637. The next prime is 104065204667. The reversal of 104065204661 is 166402560401.

It is not a de Polignac number, because 104065204661 - 2²² = 104061010357 is a prime.

It is a super-2 number, since 2×104065204661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104065204667) 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, 5310800 + ... + 5330358.

It is an arithmetic number, because the mean of its divisors is an integer number (7167468600).

Almost surely, 2^104065204661 is an apocalyptic number.

104065204661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104065204661 is a deficient number, since it is larger than the sum of its proper divisors (10614292939).

104065204661 is a wasteful number, since it uses less digits than its factorization.

104065204661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 104065204661 in words is "one hundred four billion, sixty-five million, two hundred four thousand, six hundred sixty-one".