66452225466 has 24 divisors (see below), whose sum is σ = 146085059232. Its totient is φ = 20137037800.

The previous prime is 66452225453. The next prime is 66452225503.

66452225466 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45765270 + ... + 45766721.

It is an arithmetic number, because the mean of its divisors is an integer number (6086877468).

Almost surely, 2^66452225466 is an apocalyptic number.

66452225466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66452225466 is an abundant number, since it is smaller than the sum of its proper divisors (79632833766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66452225466 is a wasteful number, since it uses less digits than its factorization.

66452225466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91532018 (or 91532007 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 48.

The spelling of 66452225466 in words is "sixty-six billion, four hundred fifty-two million, two hundred twenty-five thousand, four hundred sixty-six".