66205270882 has 8 divisors (see below), whose sum is σ = 99321975900. Its totient is φ = 33097945584.

The previous prime is 66205270861. The next prime is 66205270891. The reversal of 66205270882 is 28807250266.

It can be written as a sum of positive squares in 2 ways, for example, as 65940590521 + 264680361 = 256789^2 + 16269^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327257 + ... + 2355532.

Almost surely, 2^66205270882 is an apocalyptic number.

66205270882 is a deficient number, since it is larger than the sum of its proper divisors (33116705018).

66205270882 is a wasteful number, since it uses less digits than its factorization.

66205270882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689860.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 66205270882 in words is "sixty-six billion, two hundred five million, two hundred seventy thousand, eight hundred eighty-two".