666024876 has 96 divisors (see below), whose sum is σ = 1893346560. Its totient is φ = 200793600.

The previous prime is 666024859. The next prime is 666024881. The reversal of 666024876 is 678420666.

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, 249340 + ... + 251996.

It is an arithmetic number, because the mean of its divisors is an integer number (19722360).

Almost surely, 2^666024876 is an apocalyptic number.

666024876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666024876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946673280).

666024876 is an abundant number, since it is smaller than the sum of its proper divisors (1227321684).

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

666024876 is a wasteful number, since it uses less digits than its factorization.

666024876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 666024876 is about 25807.4577593377. The cubic root of 666024876 is about 873.3000468378.

The spelling of 666024876 in words is "six hundred sixty-six million, twenty-four thousand, eight hundred seventy-six".