16896990184400 has 30 divisors (see below), whose sum is σ = 40595018918982. Its totient is φ = 6758796073600.

The previous prime is 16896990184391. The next prime is 16896990184439. The reversal of 16896990184400 is 448109969861.

It can be written as a sum of positive squares in 3 ways, for example, as 1265373012544 + 15631617171856 = 1124888^2 + 3953684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21121237331 + ... + 21121238130.

Almost surely, 2^{16896990184400} is an apocalyptic number.

16896990184400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16896990184400 is an abundant number, since it is smaller than the sum of its proper divisors (23698028734582).

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

16896990184400 is a wasteful number, since it uses less digits than its factorization.

16896990184400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42242475479 (or 42242475468 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 65.

The spelling of 16896990184400 in words is "sixteen trillion, eight hundred ninety-six billion, nine hundred ninety million, one hundred eighty-four thousand, four hundred".