16624206464 has 32 divisors (see below), whose sum is σ = 33128811540. Its totient is φ = 8309524480.

The previous prime is 16624206461. The next prime is 16624206481. The reversal of 16624206464 is 46460242661.

It can be written as a sum of positive squares in 2 ways, for example, as 16047822400 + 576384064 = 126680^2 + 24008^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16624206461) 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, 433844 + ... + 470604.

Almost surely, 2^16624206464 is an apocalyptic number.

It is an amenable number.

16624206464 is a deficient number, since it is larger than the sum of its proper divisors (16504605076).

16624206464 is an equidigital number, since it uses as much as digits as its factorization.

16624206464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40308 (or 40296 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 16624206464 in words is "sixteen billion, six hundred twenty-four million, two hundred six thousand, four hundred sixty-four".