666490114 has 8 divisors (see below), whose sum is σ = 999983628. Its totient is φ = 333162240.

The previous prime is 666490109. The next prime is 666490133. The reversal of 666490114 is 411094666.

666490114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 485453089 + 181037025 = 22033^2 + 13455^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30807 + ... + 47770.

Almost surely, 2^666490114 is an apocalyptic number.

666490114 is a deficient number, since it is larger than the sum of its proper divisors (333493514).

666490114 is a wasteful number, since it uses less digits than its factorization.

666490114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82820.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 666490114 is about 25816.4698206397. The cubic root of 666490114 is about 873.5033414474.

The spelling of 666490114 in words is "six hundred sixty-six million, four hundred ninety thousand, one hundred fourteen".