616234666 has 8 divisors (see below), whose sum is σ = 978725700. Its totient is φ = 289992768.

The previous prime is 616234637. The next prime is 616234669. The reversal of 616234666 is 666432616.

It can be written as a sum of positive squares in 2 ways, for example, as 459459225 + 156775441 = 21435^2 + 12521^2 .

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 (616234669) 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, 9062241 + ... + 9062308.

Almost surely, 2^616234666 is an apocalyptic number.

616234666 is a deficient number, since it is larger than the sum of its proper divisors (362491034).

616234666 is a wasteful number, since it uses less digits than its factorization.

616234666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18124568.

The product of its digits is 186624, while the sum is 40.

The square root of 616234666 is about 24824.0743231243. The cubic root of 616234666 is about 850.9722052431.

The spelling of 616234666 in words is "six hundred sixteen million, two hundred thirty-four thousand, six hundred sixty-six".