104561616 has 20 divisors (see below), whose sum is σ = 270117632. Its totient is φ = 34853856.

The previous prime is 104561609. The next prime is 104561627. The reversal of 104561616 is 616165401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089136 + ... + 1089231.

Almost surely, 2^104561616 is an apocalyptic number.

104561616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

104561616 is an abundant number, since it is smaller than the sum of its proper divisors (165556016).

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

104561616 is a wasteful number, since it uses less digits than its factorization.

104561616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178378 (or 2178372 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 104561616 is about 10225.5374430883. The cubic root of 104561616 is about 471.1119229513. Note that the first 3 decimals are identical.

The spelling of 104561616 in words is "one hundred four million, five hundred sixty-one thousand, six hundred sixteen".