66765552045314 has 16 divisors (see below), whose sum is σ = 100394458997400. Its totient is φ = 33300734444544.

The previous prime is 66765552045307. The next prime is 66765552045319. The reversal of 66765552045314 is 41354025556766.

It can be written as a sum of positive squares in 4 ways, for example, as 42621743132089 + 24143808913225 = 6528533^2 + 4913635^2 .

It is not an unprimeable number, because it can be changed into a prime (66765552045319) 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, 70118042 + ... + 71063850.

Almost surely, 2^{66765552045314} is an apocalyptic number.

66765552045314 is a deficient number, since it is larger than the sum of its proper divisors (33628906952086).

66765552045314 is a wasteful number, since it uses less digits than its factorization.

66765552045314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032517.

The product of its (nonzero) digits is 90720000, while the sum is 59.

The spelling of 66765552045314 in words is "sixty-six trillion, seven hundred sixty-five billion, five hundred fifty-two million, forty-five thousand, three hundred fourteen".