16319975995 has 32 divisors (see below), whose sum is σ = 21407158080. Its totient is φ = 11901634560.

The previous prime is 16319975993. The next prime is 16319975999. The reversal of 16319975995 is 59957991361.

It is not a de Polignac number, because 16319975995 - 2¹ = 16319975993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16319975993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255637 + ... + 313033.

It is an arithmetic number, because the mean of its divisors is an integer number (668973690).

Almost surely, 2^16319975995 is an apocalyptic number.

16319975995 is a deficient number, since it is larger than the sum of its proper divisors (5087182085).

16319975995 is a wasteful number, since it uses less digits than its factorization.

16319975995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57535.

The product of its digits is 20667150, while the sum is 64.

The spelling of 16319975995 in words is "sixteen billion, three hundred nineteen million, nine hundred seventy-five thousand, nine hundred ninety-five".