16368536775 has 12 divisors (see below), whose sum is σ = 27062647592. Its totient is φ = 8729886240.

The previous prime is 16368536771. The next prime is 16368536791. The reversal of 16368536775 is 57763586361.

It is not a de Polignac number, because 16368536775 - 2² = 16368536771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16368536771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109123504 + ... + 109123653.

Almost surely, 2^16368536775 is an apocalyptic number.

16368536775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16368536775 is a deficient number, since it is larger than the sum of its proper divisors (10694110817).

16368536775 is a wasteful number, since it uses less digits than its factorization.

16368536775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218247170 (or 218247165 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 57.

The spelling of 16368536775 in words is "sixteen billion, three hundred sixty-eight million, five hundred thirty-six thousand, seven hundred seventy-five".