16857765264 has 20 divisors (see below), whose sum is σ = 43549227056. Its totient is φ = 5619255072.

The previous prime is 16857765259. The next prime is 16857765269. The reversal of 16857765264 is 46256775861.

16857765264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16857765259) and next prime (16857765269).

It is a super-2 number, since 2×16857765264² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16857765269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175601674 + ... + 175601769.

Almost surely, 2^16857765264 is an apocalyptic number.

It is an amenable number.

16857765264 is an abundant number, since it is smaller than the sum of its proper divisors (26691461792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16857765264 is a wasteful number, since it uses less digits than its factorization.

16857765264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351203454 (or 351203448 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 16857765264 in words is "sixteen billion, eight hundred fifty-seven million, seven hundred sixty-five thousand, two hundred sixty-four".