666010516 has 12 divisors (see below), whose sum is σ = 1167126688. Its totient is φ = 332545752.

The previous prime is 666010511. The next prime is 666010559. The reversal of 666010516 is 615010666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666010511) 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, 111606 + ... + 117421.

Almost surely, 2^666010516 is an apocalyptic number.

It is an amenable number.

666010516 is a deficient number, since it is larger than the sum of its proper divisors (501116172).

666010516 is a wasteful number, since it uses less digits than its factorization.

666010516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229758 (or 229756 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 666010516 is about 25807.1795436851. The cubic root of 666010516 is about 873.2937704562.

The spelling of 666010516 in words is "six hundred sixty-six million, ten thousand, five hundred sixteen".