16647613465 has 16 divisors (see below), whose sum is σ = 22957159680. Its totient is φ = 11352432960.

The previous prime is 16647613453. The next prime is 16647613483. The reversal of 16647613465 is 56431674661.

It is not a de Polignac number, because 16647613465 - 2¹¹ = 16647611417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307605 + ... + 1320274.

It is an arithmetic number, because the mean of its divisors is an integer number (1434822480).

Almost surely, 2^16647613465 is an apocalyptic number.

It is an amenable number.

16647613465 is a deficient number, since it is larger than the sum of its proper divisors (6309546215).

16647613465 is a wasteful number, since it uses less digits than its factorization.

16647613465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628072.

The product of its digits is 2177280, while the sum is 49.

The spelling of 16647613465 in words is "sixteen billion, six hundred forty-seven million, six hundred thirteen thousand, four hundred sixty-five".