5168885537 has 4 divisors (see below), whose sum is σ = 5170983216. Its totient is φ = 5166787860.

The previous prime is 5168885531. The next prime is 5168885573. The reversal of 5168885537 is 7355888615.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 5168885537 - 2²⁴ = 5152108321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168885531) 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, 1045139 + ... + 1050072.

It is an arithmetic number, because the mean of its divisors is an integer number (1292745804).

Almost surely, 2^5168885537 is an apocalyptic number.

It is an amenable number.

5168885537 is a deficient number, since it is larger than the sum of its proper divisors (2097679).

5168885537 is a wasteful number, since it uses less digits than its factorization.

5168885537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097678.

The product of its digits is 8064000, while the sum is 56.

The square root of 5168885537 is about 71894.9618332189. The cubic root of 5168885537 is about 1729.0158387135.

The spelling of 5168885537 in words is "five billion, one hundred sixty-eight million, eight hundred eighty-five thousand, five hundred thirty-seven".