16599624416 has 12 divisors (see below), whose sum is σ = 32680510632. Its totient is φ = 8299812192.

The previous prime is 16599624407. The next prime is 16599624527. The reversal of 16599624416 is 61442699561.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259369100 + ... + 259369163.

It is an arithmetic number, because the mean of its divisors is an integer number (2723375886).

Almost surely, 2^16599624416 is an apocalyptic number.

16599624416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16599624416 is a deficient number, since it is larger than the sum of its proper divisors (16080886216).

16599624416 is an equidigital number, since it uses as much as digits as its factorization.

16599624416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518738273 (or 518738265 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 16599624416 in words is "sixteen billion, five hundred ninety-nine million, six hundred twenty-four thousand, four hundred sixteen".