66035453066 has 12 divisors (see below), whose sum is σ = 108876635826. Its totient is φ = 30016114920.

The previous prime is 66035453063. The next prime is 66035453083.

66035453066 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 59606781025 + 6428672041 = 244145^2 + 80179^2 .

It is not an unprimeable number, because it can be changed into a prime (66035453063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136436645 + ... + 136437128.

Almost surely, 2^66035453066 is an apocalyptic number.

66035453066 is a deficient number, since it is larger than the sum of its proper divisors (42841182760).

66035453066 is a wasteful number, since it uses less digits than its factorization.

66035453066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272873797 (or 272873786 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 66035453066 in words is "sixty-six billion, thirty-five million, four hundred fifty-three thousand, sixty-six".