16104022578 has 54 divisors (see below), whose sum is σ = 40598211069. Its totient is φ = 4600072512.

The previous prime is 16104022559. The next prime is 16104022601. The reversal of 16104022578 is 87522040161.

16104022578 is a `hidden beast` number, since 1 + 61 + 0 + 4 + 0 + 22 + 578 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15211028889 + 892993689 = 123333^2 + 29883^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=89733.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3766650 + ... + 3770922.

Almost surely, 2^16104022578 is an apocalyptic number.

16104022578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16104022578 is an abundant number, since it is smaller than the sum of its proper divisors (24494188491).

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

16104022578 is an frugal number, since it uses more digits than its factorization.

16104022578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 16104022578 in words is "sixteen billion, one hundred four million, twenty-two thousand, five hundred seventy-eight".