16369508597 has 4 divisors (see below), whose sum is σ = 17628701580. Its totient is φ = 15110315616.

The previous prime is 16369508593. The next prime is 16369508633. The reversal of 16369508597 is 79580596361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11295225841 + 5074282756 = 106279^2 + 71234^2 .

It is a cyclic number.

It is not a de Polignac number, because 16369508597 - 2² = 16369508593 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 (16369508591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629596472 + ... + 629596497.

It is an arithmetic number, because the mean of its divisors is an integer number (4407175395).

Almost surely, 2^16369508597 is an apocalyptic number.

It is an amenable number.

16369508597 is a deficient number, since it is larger than the sum of its proper divisors (1259192983).

16369508597 is a wasteful number, since it uses less digits than its factorization.

16369508597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259192982.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 16369508597 in words is "sixteen billion, three hundred sixty-nine million, five hundred eight thousand, five hundred ninety-seven".