16408925776 has 20 divisors (see below), whose sum is σ = 33662429172. Its totient is φ = 7721847296.

The previous prime is 16408925761. The next prime is 16408925803. The reversal of 16408925776 is 67752980461.

It can be written as a sum of positive squares in 2 ways, for example, as 8150478400 + 8258447376 = 90280^2 + 90876^2 .

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, 30163195 + ... + 30163738.

Almost surely, 2^16408925776 is an apocalyptic number.

16408925776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16408925776 is an abundant number, since it is smaller than the sum of its proper divisors (17253503396).

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

16408925776 is a wasteful number, since it uses less digits than its factorization.

16408925776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60326958 (or 60326952 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 16408925776 in words is "sixteen billion, four hundred eight million, nine hundred twenty-five thousand, seven hundred seventy-six".