66272214468 has 24 divisors (see below), whose sum is σ = 155078257600. Its totient is φ = 22027439520.

The previous prime is 66272214461. The next prime is 66272214497. The reversal of 66272214468 is 86441227266.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66272214461) 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, 7907968 + ... + 7916343.

Almost surely, 2^66272214468 is an apocalyptic number.

It is an amenable number.

66272214468 is an abundant number, since it is smaller than the sum of its proper divisors (88806043132).

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

66272214468 is a wasteful number, since it uses less digits than its factorization.

66272214468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824667 (or 15824665 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 66272214468 in words is "sixty-six billion, two hundred seventy-two million, two hundred fourteen thousand, four hundred sixty-eight".