666482752 has 28 divisors (see below), whose sum is σ = 1424288236. Its totient is φ = 307607040.

The previous prime is 666482749. The next prime is 666482759. The reversal of 666482752 is 257284666.

It can be written as a sum of positive squares in 2 ways, for example, as 457275456 + 209207296 = 21384^2 + 14464^2 .

It is not an unprimeable number, because it can be changed into a prime (666482759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399699 + ... + 401362.

It is an arithmetic number, because the mean of its divisors is an integer number (50867437).

Almost surely, 2^666482752 is an apocalyptic number.

It is an amenable number.

666482752 is an abundant number, since it is smaller than the sum of its proper divisors (757805484).

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

666482752 is a wasteful number, since it uses less digits than its factorization.

666482752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801086 (or 801076 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 666482752 is about 25816.3272368476. The cubic root of 666482752 is about 873.5001252180.

The spelling of 666482752 in words is "six hundred sixty-six million, four hundred eighty-two thousand, seven hundred fifty-two".