16977336448 has 32 divisors (see below), whose sum is σ = 33827994000. Its totient is φ = 8487173376.

The previous prime is 16977336443. The next prime is 16977336473. The reversal of 16977336448 is 84463377961.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 16977336392 and 16977336401.

It is not an unprimeable number, because it can be changed into a prime (16977336443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239783 + ... + 1253401.

Almost surely, 2^16977336448 is an apocalyptic number.

It is an amenable number.

16977336448 is a deficient number, since it is larger than the sum of its proper divisors (16850657552).

16977336448 is an equidigital number, since it uses as much as digits as its factorization.

16977336448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23372 (or 23360 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 58.

The spelling of 16977336448 in words is "sixteen billion, nine hundred seventy-seven million, three hundred thirty-six thousand, four hundred forty-eight".