5166945263 has 4 divisors (see below), whose sum is σ = 5167176240. Its totient is φ = 5166714288.

The previous prime is 5166945247. The next prime is 5166945293. The reversal of 5166945263 is 3625496615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5166945263 - 2⁴ = 5166945247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166945233) 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, 77843 + ... + 128036.

It is an arithmetic number, because the mean of its divisors is an integer number (1291794060).

Almost surely, 2^5166945263 is an apocalyptic number.

5166945263 is a deficient number, since it is larger than the sum of its proper divisors (230977).

5166945263 is a wasteful number, since it uses less digits than its factorization.

5166945263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230976.

The product of its digits is 1166400, while the sum is 47.

The square root of 5166945263 is about 71881.4667560422. The cubic root of 5166945263 is about 1728.7994681306.

The spelling of 5166945263 in words is "five billion, one hundred sixty-six million, nine hundred forty-five thousand, two hundred sixty-three".