16766865752 has 32 divisors (see below), whose sum is σ = 38692768800. Its totient is φ = 6633045504.

The previous prime is 16766865751. The next prime is 16766865763. The reversal of 16766865752 is 25756866761.

It is a super-2 number, since 2×16766865752² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16766865691 and 16766865700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16766865751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11514977 + ... + 11516432.

It is an arithmetic number, because the mean of its divisors is an integer number (1209149025).

Almost surely, 2^16766865752 is an apocalyptic number.

It is an amenable number.

16766865752 is an abundant number, since it is smaller than the sum of its proper divisors (21925903048).

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

16766865752 is a wasteful number, since it uses less digits than its factorization.

16766865752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23031435 (or 23031431 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 16766865752 in words is "sixteen billion, seven hundred sixty-six million, eight hundred sixty-five thousand, seven hundred fifty-two".