104521566 has 16 divisors (see below), whose sum is σ = 210096000. Its totient is φ = 34665048.

The previous prime is 104521531. The next prime is 104521589. The reversal of 104521566 is 665125401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42576 + ... + 44963.

It is an arithmetic number, because the mean of its divisors is an integer number (13131000).

Almost surely, 2^104521566 is an apocalyptic number.

104521566 is an abundant number, since it is smaller than the sum of its proper divisors (105574434).

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

104521566 is a wasteful number, since it uses less digits than its factorization.

104521566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87743.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 104521566 is about 10223.5789232538. The cubic root of 104521566 is about 471.0517656241.

Adding to 104521566 its reverse (665125401), we get a palindrome (769646967).

The spelling of 104521566 in words is "one hundred four million, five hundred twenty-one thousand, five hundred sixty-six".