104861665 has 16 divisors (see below), whose sum is σ = 132880320. Its totient is φ = 79220160.

The previous prime is 104861639. The next prime is 104861671. The reversal of 104861665 is 566168401.

It is not a de Polignac number, because 104861665 - 2¹¹ = 104859617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31375 + ... + 34555.

It is an arithmetic number, because the mean of its divisors is an integer number (8305020).

Almost surely, 2^104861665 is an apocalyptic number.

It is an amenable number.

104861665 is a deficient number, since it is larger than the sum of its proper divisors (28018655).

104861665 is a wasteful number, since it uses less digits than its factorization.

104861665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 104861665 is about 10240.1984844045. The cubic root of 104861665 is about 471.5621253296.

The spelling of 104861665 in words is "one hundred four million, eight hundred sixty-one thousand, six hundred sixty-five".