5160666221 has 8 divisors (see below), whose sum is σ = 5252900640. Its totient is φ = 5068590768.

The previous prime is 5160666197. The next prime is 5160666229. The reversal of 5160666221 is 1226660615.

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-5160666221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5160666229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26750 + ... + 105056.

It is an arithmetic number, because the mean of its divisors is an integer number (656612580).

Almost surely, 2^5160666221 is an apocalyptic number.

It is an amenable number.

5160666221 is a deficient number, since it is larger than the sum of its proper divisors (92234419).

5160666221 is a wasteful number, since it uses less digits than its factorization.

5160666221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79483.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 5160666221 is about 71837.7771162221. Note that the first 3 decimals coincide. The cubic root of 5160666221 is about 1728.0988862529.

The spelling of 5160666221 in words is "five billion, one hundred sixty million, six hundred sixty-six thousand, two hundred twenty-one".