16252860069 has 18 divisors (see below), whose sum is σ = 23865597938. Its totient is φ = 10655654400.

The previous prime is 16252860059. The next prime is 16252860097. The reversal of 16252860069 is 96006825261.

16252860069 is a `hidden beast` number, since 1 + 6 + 2 + 528 + 60 + 0 + 69 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1675919844 + 14576940225 = 40938^2 + 120735^2 .

It is not a de Polignac number, because 16252860069 - 2⁸ = 16252859813 is a prime.

It is a super-2 number, since 2×16252860069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252860049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2984389 + ... + 2989829.

Almost surely, 2^16252860069 is an apocalyptic number.

It is an amenable number.

16252860069 is a deficient number, since it is larger than the sum of its proper divisors (7612737869).

16252860069 is an frugal number, since it uses more digits than its factorization.

16252860069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10949 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 16252860069 in words is "sixteen billion, two hundred fifty-two million, eight hundred sixty thousand, sixty-nine".