16866765352 has 64 divisors (see below), whose sum is σ = 33443020800. Its totient is φ = 7959188160.

The previous prime is 16866765343. The next prime is 16866765401. The reversal of 16866765352 is 25356766861.

It is a junction number, because it is equal to n+sod(n) for n = 16866765293 and 16866765302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461399 + ... + 4465177.

It is an arithmetic number, because the mean of its divisors is an integer number (522547200).

Almost surely, 2^16866765352 is an apocalyptic number.

It is an amenable number.

16866765352 is a deficient number, since it is larger than the sum of its proper divisors (16576255448).

16866765352 is a wasteful number, since it uses less digits than its factorization.

16866765352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4122 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 16866765352 in words is "sixteen billion, eight hundred sixty-six million, seven hundred sixty-five thousand, three hundred fifty-two".