16507299328 has 40 divisors (see below), whose sum is σ = 35519476608. Its totient is φ = 7618750464.

The previous prime is 16507299257. The next prime is 16507299331. The reversal of 16507299328 is 82399270561.

16507299328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16507299328² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233376 + ... + 1246687.

Almost surely, 2^16507299328 is an apocalyptic number.

It is an amenable number.

16507299328 is an abundant number, since it is smaller than the sum of its proper divisors (19012177280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16507299328 is an equidigital number, since it uses as much as digits as its factorization.

16507299328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480094 (or 2480078 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 16507299328 in words is "sixteen billion, five hundred seven million, two hundred ninety-nine thousand, three hundred twenty-eight".