16399214659 has 8 divisors (see below), whose sum is σ = 18012867840. Its totient is φ = 14860615176.

The previous prime is 16399214633. The next prime is 16399214681. The reversal of 16399214659 is 95641299361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16399214659 - 2⁵ = 16399214627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16399214159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18762967 + ... + 18763840.

It is an arithmetic number, because the mean of its divisors is an integer number (2251608480).

Almost surely, 2^16399214659 is an apocalyptic number.

16399214659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16399214659 is a deficient number, since it is larger than the sum of its proper divisors (1613653181).

16399214659 is a wasteful number, since it uses less digits than its factorization.

16399214659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37526849.

The product of its digits is 3149280, while the sum is 55.

The spelling of 16399214659 in words is "sixteen billion, three hundred ninety-nine million, two hundred fourteen thousand, six hundred fifty-nine".