104520816 has 120 divisors (see below), whose sum is σ = 303230096. Its totient is φ = 33592320.

The previous prime is 104520797. The next prime is 104520817. The reversal of 104520816 is 618025401.

It is a self number, because there is not a number n which added to its sum of digits gives 104520816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104520817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641151 + ... + 641313.

Almost surely, 2^104520816 is an apocalyptic number.

104520816 is a gapful number since it is divisible by the number (16) 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 104520816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151615048).

104520816 is an abundant number, since it is smaller than the sum of its proper divisors (198709280).

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

104520816 is a wasteful number, since it uses less digits than its factorization.

104520816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 104520816 is about 10223.5422432736. The cubic root of 104520816 is about 471.0506389359.

The spelling of 104520816 in words is "one hundred four million, five hundred twenty thousand, eight hundred sixteen".