16450996699 has 4 divisors (see below), whose sum is σ = 16528963720. Its totient is φ = 16373029680.

The previous prime is 16450996697. The next prime is 16450996753. The reversal of 16450996699 is 99669905461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99669905461 = 7 ⋅14238557923.

It is a cyclic number.

It is not a de Polignac number, because 16450996699 - 2¹ = 16450996697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16450996699.

It is not an unprimeable number, because it can be changed into a prime (16450996691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38983194 + ... + 38983615.

It is an arithmetic number, because the mean of its divisors is an integer number (4132240930).

Almost surely, 2^16450996699 is an apocalyptic number.

16450996699 is a deficient number, since it is larger than the sum of its proper divisors (77967021).

16450996699 is an equidigital number, since it uses as much as digits as its factorization.

16450996699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77967020.

The product of its (nonzero) digits is 28343520, while the sum is 64.

The spelling of 16450996699 in words is "sixteen billion, four hundred fifty million, nine hundred ninety-six thousand, six hundred ninety-nine".