16624671663 has 8 divisors (see below), whose sum is σ = 22174153776. Its totient is φ = 11079152000.

The previous prime is 16624671659. The next prime is 16624671673. The reversal of 16624671663 is 36617642661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16624671663 - 2² = 16624671659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16624671673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980808 + ... + 997613.

It is an arithmetic number, because the mean of its divisors is an integer number (2771769222).

Almost surely, 2^16624671663 is an apocalyptic number.

16624671663 is a deficient number, since it is larger than the sum of its proper divisors (5549482113).

16624671663 is a wasteful number, since it uses less digits than its factorization.

16624671663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981225.

The product of its digits is 1306368, while the sum is 48.

The spelling of 16624671663 in words is "sixteen billion, six hundred twenty-four million, six hundred seventy-one thousand, six hundred sixty-three".