66427272466 has 8 divisors (see below), whose sum is σ = 101329737840. Its totient is φ = 32650693188.

The previous prime is 66427272413. The next prime is 66427272551.

66427272466 is nontrivially palindromic in base 10.

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, 281471376 + ... + 281471611.

It is an arithmetic number, because the mean of its divisors is an integer number (12666217230).

Almost surely, 2^66427272466 is an apocalyptic number.

66427272466 is a deficient number, since it is larger than the sum of its proper divisors (34902465374).

66427272466 is a wasteful number, since it uses less digits than its factorization.

66427272466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562943048.

The product of its digits is 8128512, while the sum is 52.

The spelling of 66427272466 in words is "sixty-six billion, four hundred twenty-seven million, two hundred seventy-two thousand, four hundred sixty-six".