104161920 has 64 divisors (see below), whose sum is σ = 332022240. Its totient is φ = 27776000.

The previous prime is 104161909. The next prime is 104161927. The reversal of 104161920 is 29161401.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×104161920⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (104161927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25206 + ... + 29045.

Almost surely, 2^104161920 is an apocalyptic number.

104161920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104161920 is an abundant number, since it is smaller than the sum of its proper divisors (227860320).

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

104161920 is an equidigital number, since it uses as much as digits as its factorization.

104161920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54273 (or 54261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 104161920 is about 10205.9747207212. The cubic root of 104161920 is about 470.5108674770.

The spelling of 104161920 in words is "one hundred four million, one hundred sixty-one thousand, nine hundred twenty".