104663680 has 64 divisors (see below), whose sum is σ = 272976480. Its totient is φ = 38056960.

The previous prime is 104663659. The next prime is 104663683. The reversal of 104663680 is 86366401.

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

It is a super-2 number, since 2×104663680² = 21908971822284800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104663683) 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, 394 + ... + 14473.

Almost surely, 2^104663680 is an apocalyptic number.

104663680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136488240).

104663680 is an abundant number, since it is smaller than the sum of its proper divisors (168312800).

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

104663680 is a wasteful number, since it uses less digits than its factorization.

104663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14897 (or 14885 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 104663680 is about 10230.5268681530. The cubic root of 104663680 is about 471.2651593319.

The spelling of 104663680 in words is "one hundred four million, six hundred sixty-three thousand, six hundred eighty".