527244666 has 64 divisors (see below), whose sum is σ = 1174400640. Its totient is φ = 156764160.

The previous prime is 527244649. The next prime is 527244671. The reversal of 527244666 is 666442725.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360645 + ... + 362103.

It is an arithmetic number, because the mean of its divisors is an integer number (18350010).

Almost surely, 2^527244666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527244666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587200320).

527244666 is an abundant number, since it is smaller than the sum of its proper divisors (647155974).

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

527244666 is a wasteful number, since it uses less digits than its factorization.

527244666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its digits is 483840, while the sum is 42.

The square root of 527244666 is about 22961.8088573178. The cubic root of 527244666 is about 807.8624052946.

The spelling of 527244666 in words is "five hundred twenty-seven million, two hundred forty-four thousand, six hundred sixty-six".