666010514 has 8 divisors (see below), whose sum is σ = 1075863180. Its totient is φ = 307389456.

The previous prime is 666010511. The next prime is 666010559. The reversal of 666010514 is 415010666.

It can be written as a sum of positive squares in 2 ways, for example, as 541353289 + 124657225 = 23267^2 + 11165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12807869 + ... + 12807920.

Almost surely, 2^666010514 is an apocalyptic number.

666010514 is a deficient number, since it is larger than the sum of its proper divisors (409852666).

666010514 is a wasteful number, since it uses less digits than its factorization.

666010514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25615804.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 666010514 is about 25807.1795049362. The cubic root of 666010514 is about 873.2937695821.

The spelling of 666010514 in words is "six hundred sixty-six million, ten thousand, five hundred fourteen".