5166651801 has 4 divisors (see below), whose sum is σ = 6888869072. Its totient is φ = 3444434532.

The previous prime is 5166651761. The next prime is 5166651839. The reversal of 5166651801 is 1081566615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5166651801 - 2¹¹ = 5166649753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5166651801.

It is not an unprimeable number, because it can be changed into a prime (5166651001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861108631 + ... + 861108636.

It is an arithmetic number, because the mean of its divisors is an integer number (1722217268).

Almost surely, 2^5166651801 is an apocalyptic number.

It is an amenable number.

5166651801 is a deficient number, since it is larger than the sum of its proper divisors (1722217271).

5166651801 is a wasteful number, since it uses less digits than its factorization.

5166651801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722217270.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 5166651801 is about 71879.4254359340. The cubic root of 5166651801 is about 1728.7667378596.

The spelling of 5166651801 in words is "five billion, one hundred sixty-six million, six hundred fifty-one thousand, eight hundred one".