16999650456 has 64 divisors (see below), whose sum is σ = 42737086080. Its totient is φ = 5634885120.

The previous prime is 16999650449. The next prime is 16999650457. The reversal of 16999650456 is 65405699961.

It is a self number, because there is not a number n which added to its sum of digits gives 16999650456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16999650457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7032160 + ... + 7034576.

It is an arithmetic number, because the mean of its divisors is an integer number (667766970).

Almost surely, 2^16999650456 is an apocalyptic number.

It is an amenable number.

16999650456 is an abundant number, since it is smaller than the sum of its proper divisors (25737435624).

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

16999650456 is a wasteful number, since it uses less digits than its factorization.

16999650456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 16999650456 in words is "sixteen billion, nine hundred ninety-nine million, six hundred fifty thousand, four hundred fifty-six".