16770144065 has 8 divisors (see below), whose sum is σ = 20350287720. Its totient is φ = 13265372032.

The previous prime is 16770144029. The next prime is 16770144109. The reversal of 16770144065 is 56044107761.

16770144065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 402523969 + 16367620096 = 20063^2 + 127936^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16770144065 - 2¹⁰ = 16770143041 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18842414 + ... + 18843303.

It is an arithmetic number, because the mean of its divisors is an integer number (2543785965).

Almost surely, 2^16770144065 is an apocalyptic number.

It is an amenable number.

16770144065 is a deficient number, since it is larger than the sum of its proper divisors (3580143655).

16770144065 is an equidigital number, since it uses as much as digits as its factorization.

16770144065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37685811.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 16770144065 in words is "sixteen billion, seven hundred seventy million, one hundred forty-four thousand, sixty-five".