66044360 has 32 divisors (see below), whose sum is σ = 151408440. Its totient is φ = 25918464.

The previous prime is 66044357. The next prime is 66044369. The reversal of 66044360 is 6344066.

It can be written as a sum of positive squares in 4 ways, for example, as 52041796 + 14002564 = 7214^2 + 3742^2 .

It is not an unprimeable number, because it can be changed into a prime (66044369) 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, 13457 + ... + 17696.

Almost surely, 2^66044360 is an apocalyptic number.

It is an amenable number.

66044360 is an abundant number, since it is smaller than the sum of its proper divisors (85364080).

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

66044360 is a wasteful number, since it uses less digits than its factorization.

66044360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31217 (or 31213 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 66044360 is about 8126.7681153088. The cubic root of 66044360 is about 404.2145218899.

The spelling of 66044360 in words is "sixty-six million, forty-four thousand, three hundred sixty".