16495594065 has 24 divisors (see below), whose sum is σ = 28784269800. Its totient is φ = 8738601984.

The previous prime is 16495594057. The next prime is 16495594069. The reversal of 16495594065 is 56049559461.

16495594065 is a `hidden beast` number, since 1 + 6 + 49 + 5 + 594 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 896583249 + 15599010816 = 29943^2 + 124896^2 .

It is not a de Polignac number, because 16495594065 - 2³ = 16495594057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16495594069) 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 23 ways as a sum of consecutive naturals, for example, 1223392 + ... + 1236801.

It is an arithmetic number, because the mean of its divisors is an integer number (1199344575).

Almost surely, 2^16495594065 is an apocalyptic number.

16495594065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16495594065 is a deficient number, since it is larger than the sum of its proper divisors (12288675735).

16495594065 is a wasteful number, since it uses less digits than its factorization.

16495594065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460353 (or 2460350 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 16495594065 in words is "sixteen billion, four hundred ninety-five million, five hundred ninety-four thousand, sixty-five".