16408536880 has 20 divisors (see below), whose sum is σ = 38149848432. Its totient is φ = 6563414720.

The previous prime is 16408536839. The next prime is 16408536913. The reversal of 16408536880 is 8863580461.

It is a tau number, because it is divible by the number of its divisors (20).

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, 102553276 + ... + 102553435.

Almost surely, 2^16408536880 is an apocalyptic number.

16408536880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16408536880 is an abundant number, since it is smaller than the sum of its proper divisors (21741311552).

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

16408536880 is a wasteful number, since it uses less digits than its factorization.

16408536880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205106724 (or 205106718 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 16408536880 in words is "sixteen billion, four hundred eight million, five hundred thirty-six thousand, eight hundred eighty".