5166238783 has 4 divisors (see below), whose sum is σ = 5470135200. Its totient is φ = 4862342368.

The previous prime is 5166238769. The next prime is 5166238787. The reversal of 5166238783 is 3878326615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3878326615 = 5 ⋅775665323.

It is a cyclic number.

It is not a de Polignac number, because 5166238783 - 2¹³ = 5166230591 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 (5166238787) 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, 151948183 + ... + 151948216.

It is an arithmetic number, because the mean of its divisors is an integer number (1367533800).

Almost surely, 2^5166238783 is an apocalyptic number.

5166238783 is a deficient number, since it is larger than the sum of its proper divisors (303896417).

5166238783 is a wasteful number, since it uses less digits than its factorization.

5166238783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303896416.

The product of its digits is 1451520, while the sum is 49.

The square root of 5166238783 is about 71876.5523867137. The cubic root of 5166238783 is about 1728.7206712234.

The spelling of 5166238783 in words is "five billion, one hundred sixty-six million, two hundred thirty-eight thousand, seven hundred eighty-three".