16330616648 has 16 divisors (see below), whose sum is σ = 31675765500. Its totient is φ = 7883745856.

The previous prime is 16330616633. The next prime is 16330616707. The reversal of 16330616648 is 84661603361.

It can be written as a sum of positive squares in 2 ways, for example, as 15070508644 + 1260108004 = 122762^2 + 35498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16330616599 and 16330616608.

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, 35195063 + ... + 35195526.

Almost surely, 2^16330616648 is an apocalyptic number.

It is an amenable number.

16330616648 is a deficient number, since it is larger than the sum of its proper divisors (15345148852).

16330616648 is a wasteful number, since it uses less digits than its factorization.

16330616648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70390624 (or 70390620 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 16330616648 in words is "sixteen billion, three hundred thirty million, six hundred sixteen thousand, six hundred forty-eight".