104160640 has 32 divisors (see below), whose sum is σ = 249010560. Its totient is φ = 41664000.

The previous prime is 104160599. The next prime is 104160643. The reversal of 104160640 is 46061401.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104160643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80736 + ... + 82015.

It is an arithmetic number, because the mean of its divisors is an integer number (7781580).

Almost surely, 2^104160640 is an apocalyptic number.

104160640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104160640 is an abundant number, since it is smaller than the sum of its proper divisors (144849920).

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

104160640 is an equidigital number, since it uses as much as digits as its factorization.

104160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162770 (or 162758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 104160640 is about 10205.9120121624. The cubic root of 104160640 is about 470.5089401688.

The spelling of 104160640 in words is "one hundred four million, one hundred sixty thousand, six hundred forty".