5166357666 has 8 divisors (see below), whose sum is σ = 10332715344. Its totient is φ = 1722119220.

The previous prime is 5166357653. The next prime is 5166357689. The reversal of 5166357666 is 6667536615.

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

5166357666 is an admirable number.

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, 430529800 + ... + 430529811.

It is an arithmetic number, because the mean of its divisors is an integer number (1291589418).

Almost surely, 2^5166357666 is an apocalyptic number.

5166357666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5166357666 is a wasteful number, since it uses less digits than its factorization.

5166357666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861059616.

The product of its digits is 4082400, while the sum is 51.

The square root of 5166357666 is about 71877.3793762683. The cubic root of 5166357666 is about 1728.7339312843.

The spelling of 5166357666 in words is "five billion, one hundred sixty-six million, three hundred fifty-seven thousand, six hundred sixty-six".