5151116665 has 8 divisors (see below), whose sum is σ = 6186257280. Its totient is φ = 4117615152.

The previous prime is 5151116651. The next prime is 5151116681. The reversal of 5151116665 is 5666111515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5151116665 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402849 + ... + 415438.

It is an arithmetic number, because the mean of its divisors is an integer number (773282160).

Almost surely, 2^5151116665 is an apocalyptic number.

It is an amenable number.

5151116665 is a deficient number, since it is larger than the sum of its proper divisors (1035140615).

5151116665 is a wasteful number, since it uses less digits than its factorization.

5151116665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819551.

The product of its digits is 27000, while the sum is 37.

The square root of 5151116665 is about 71771.2802240562. The cubic root of 5151116665 is about 1727.0323077710.

The spelling of 5151116665 in words is "five billion, one hundred fifty-one million, one hundred sixteen thousand, six hundred sixty-five".