665872114 has 8 divisors (see below), whose sum is σ = 1022036400. Its totient is φ = 325193316.

The previous prime is 665872069. The next prime is 665872121. The reversal of 665872114 is 411278566.

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, 3871264 + ... + 3871435.

It is an arithmetic number, because the mean of its divisors is an integer number (127754550).

Almost surely, 2^665872114 is an apocalyptic number.

665872114 is a deficient number, since it is larger than the sum of its proper divisors (356164286).

665872114 is a wasteful number, since it uses less digits than its factorization.

665872114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742744.

The product of its digits is 80640, while the sum is 40.

The square root of 665872114 is about 25804.4979412505. The cubic root of 665872114 is about 873.2332739252.

The spelling of 665872114 in words is "six hundred sixty-five million, eight hundred seventy-two thousand, one hundred fourteen".