16199739923 has 2 divisors, whose sum is σ = 16199739924. Its totient is φ = 16199739922.

The previous prime is 16199739877. The next prime is 16199739931. The reversal of 16199739923 is 32993799161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16199739923 - 2⁸ = 16199739667 is a prime.

It is not a weakly prime, because it can be changed into another prime (16199739953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8099869961 + 8099869962.

It is an arithmetic number, because the mean of its divisors is an integer number (8099869962).

Almost surely, 2^16199739923 is an apocalyptic number.

16199739923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16199739923 is an equidigital number, since it uses as much as digits as its factorization.

16199739923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 59.

The spelling of 16199739923 in words is "sixteen billion, one hundred ninety-nine million, seven hundred thirty-nine thousand, nine hundred twenty-three".