104161857 has 12 divisors (see below), whose sum is σ = 146578320. Its totient is φ = 65785752.

The previous prime is 104161847. The next prime is 104161879. The reversal of 104161857 is 758161401.

It is a happy number.

It is not a de Polignac number, because 104161857 - 2¹² = 104157761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104161847) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 47007 + ... + 49172.

It is an arithmetic number, because the mean of its divisors is an integer number (12214860).

Almost surely, 2^104161857 is an apocalyptic number.

It is an amenable number.

104161857 is a deficient number, since it is larger than the sum of its proper divisors (42416463).

104161857 is an equidigital number, since it uses as much as digits as its factorization.

104161857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96220 (or 96201 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 104161857 is about 10205.9716342933. The cubic root of 104161857 is about 470.5107726177.

The spelling of 104161857 in words is "one hundred four million, one hundred sixty-one thousand, eight hundred fifty-seven".