16308907072 has 28 divisors (see below), whose sum is σ = 32374937536. Its totient is φ = 8151442560.

The previous prime is 16308907067. The next prime is 16308907123. The reversal of 16308907072 is 27070980361.

It is a happy number.

It is a super-2 number, since 2×16308907072² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132973 + ... + 224275.

Almost surely, 2^16308907072 is an apocalyptic number.

It is an amenable number.

16308907072 is a deficient number, since it is larger than the sum of its proper divisors (16066030464).

16308907072 is an equidigital number, since it uses as much as digits as its factorization.

16308907072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94106 (or 94096 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 16308907072 in words is "sixteen billion, three hundred eight million, nine hundred seven thousand, seventy-two".