16396975619 has 16 divisors (see below), whose sum is σ = 16976636640. Its totient is φ = 15828264960.

The previous prime is 16396975613. The next prime is 16396975631. The reversal of 16396975619 is 91657969361.

It is a cyclic number.

It is not a de Polignac number, because 16396975619 - 2⁴ = 16396975603 is a prime.

It is a super-2 number, since 2×16396975619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16396975613) 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 15 ways as a sum of consecutive naturals, for example, 2346659 + ... + 2353635.

It is an arithmetic number, because the mean of its divisors is an integer number (1061039790).

Almost surely, 2^16396975619 is an apocalyptic number.

16396975619 is a deficient number, since it is larger than the sum of its proper divisors (579661021).

16396975619 is an equidigital number, since it uses as much as digits as its factorization.

16396975619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its digits is 16533720, while the sum is 62.

The spelling of 16396975619 in words is "sixteen billion, three hundred ninety-six million, nine hundred seventy-five thousand, six hundred nineteen".