5011165666 has 8 divisors (see below), whose sum is σ = 8094959964. Its totient is φ = 2312845680.

The previous prime is 5011165661. The next prime is 5011165699. The reversal of 5011165666 is 6665611105.

It can be written as a sum of positive squares in 2 ways, for example, as 4972365225 + 38800441 = 70515^2 + 6229^2 .

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

It is a super-2 number, since 2×5011165666² = 50223562664194447112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5011165661) 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, 96368545 + ... + 96368596.

Almost surely, 2^5011165666 is an apocalyptic number.

5011165666 is a deficient number, since it is larger than the sum of its proper divisors (3083794298).

5011165666 is a wasteful number, since it uses less digits than its factorization.

5011165666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192737156.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5011165666 is about 70789.5872710104. The cubic root of 5011165666 is about 1711.2478683751.

The spelling of 5011165666 in words is "five billion, eleven million, one hundred sixty-five thousand, six hundred sixty-six".