66044264 has 32 divisors (see below), whose sum is σ = 145484640. Its totient is φ = 27710400.

The previous prime is 66044263. The next prime is 66044309. The reversal of 66044264 is 46244066.

It is a self number, because there is not a number n which added to its sum of digits gives 66044264.

It is not an unprimeable number, because it can be changed into a prime (66044261) 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, 27722 + ... + 30009.

It is an arithmetic number, because the mean of its divisors is an integer number (4546395).

Almost surely, 2^66044264 is an apocalyptic number.

It is an amenable number.

66044264 is an abundant number, since it is smaller than the sum of its proper divisors (79440376).

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

66044264 is a wasteful number, since it uses less digits than its factorization.

66044264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57761 (or 57757 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 66044264 is about 8126.7622088997. The cubic root of 66044264 is about 404.2143260386.

The spelling of 66044264 in words is "sixty-six million, forty-four thousand, two hundred sixty-four".