666244062 has 64 divisors (see below), whose sum is σ = 1618341120. Its totient is φ = 201492000.

The previous prime is 666244043. The next prime is 666244147. The reversal of 666244062 is 260442666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458437 + ... + 459887.

It is an arithmetic number, because the mean of its divisors is an integer number (25286580).

Almost surely, 2^666244062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666244062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809170560).

666244062 is an abundant number, since it is smaller than the sum of its proper divisors (952097058).

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

666244062 is a wasteful number, since it uses less digits than its factorization.

666244062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 666244062 is about 25811.7039731979. The cubic root of 666244062 is about 873.3958361278.

The spelling of 666244062 in words is "six hundred sixty-six million, two hundred forty-four thousand, sixty-two".