666116002 has 8 divisors (see below), whose sum is σ = 1011212496. Its totient is φ = 329045172.

The previous prime is 666115999. The next prime is 666116023. The reversal of 666116002 is 200611666.

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, 2006208 + ... + 2006539.

It is an arithmetic number, because the mean of its divisors is an integer number (126401562).

Almost surely, 2^666116002 is an apocalyptic number.

666116002 is a deficient number, since it is larger than the sum of its proper divisors (345096494).

666116002 is a wasteful number, since it uses less digits than its factorization.

666116002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012832.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 666116002 is about 25809.2231963692. The cubic root of 666116002 is about 873.3398735339.

Adding to 666116002 its reverse (200611666), we get a palindrome (866727668).

The spelling of 666116002 in words is "six hundred sixty-six million, one hundred sixteen thousand, two".