16765800273 has 12 divisors (see below), whose sum is σ = 24238962228. Its totient is φ = 11167187040.

The previous prime is 16765800257. The next prime is 16765800349. The reversal of 16765800273 is 37200856761.

16765800273 is a `hidden beast` number, since 1 + 67 + 6 + 580 + 0 + 2 + 7 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 977375169 + 15788425104 = 31263^2 + 125652^2 .

It is not a de Polignac number, because 16765800273 - 2⁴ = 16765800257 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16765800223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823818 + ... + 843923.

It is an arithmetic number, because the mean of its divisors is an integer number (2019913519).

Almost surely, 2^16765800273 is an apocalyptic number.

It is an amenable number.

16765800273 is a deficient number, since it is larger than the sum of its proper divisors (7473161955).

16765800273 is a wasteful number, since it uses less digits than its factorization.

16765800273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668864 (or 1668861 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 16765800273 in words is "sixteen billion, seven hundred sixty-five million, eight hundred thousand, two hundred seventy-three".