104051620324665 has 24 divisors (see below), whose sum is σ = 194229691273800. Its totient is φ = 51225413082624.

The previous prime is 104051620324571. The next prime is 104051620324711. The reversal of 104051620324665 is 566423026150401.

104051620324665 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 516 + 2 + 0 + 32 + 46 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25111043032464 + 78940577292201 = 5011092^2 + 8884851^2 .

It is not a de Polignac number, because 104051620324665 - 2²² = 104051616130361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 104051620324665.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88933008240 + ... + 88933009409.

It is an arithmetic number, because the mean of its divisors is an integer number (8092903803075).

Almost surely, 2^{104051620324665} is an apocalyptic number.

104051620324665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104051620324665 is a deficient number, since it is larger than the sum of its proper divisors (90178070949135).

104051620324665 is a wasteful number, since it uses less digits than its factorization.

104051620324665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177866017673 (or 177866017670 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 104051620324665 in words is "one hundred four trillion, fifty-one billion, six hundred twenty million, three hundred twenty-four thousand, six hundred sixty-five".