5191167065 has 12 divisors (see below), whose sum is σ = 7246445796. Its totient is φ = 3559657248.

The previous prime is 5191167049. The next prime is 5191167067. The reversal of 5191167065 is 5607611915.

It can be written as a sum of positive squares in 2 ways, for example, as 3972528784 + 1218638281 = 63028^2 + 34909^2 .

It is not a de Polignac number, because 5191167065 - 2⁴ = 5191167049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5191167067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10593974 + ... + 10594463.

It is an arithmetic number, because the mean of its divisors is an integer number (603870483).

Almost surely, 2^5191167065 is an apocalyptic number.

It is an amenable number.

5191167065 is a deficient number, since it is larger than the sum of its proper divisors (2055278731).

5191167065 is a wasteful number, since it uses less digits than its factorization.

5191167065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188456 (or 21188449 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 5191167065 is about 72049.7540939593. The cubic root of 5191167065 is about 1731.4967016879.

The spelling of 5191167065 in words is "five billion, one hundred ninety-one million, one hundred sixty-seven thousand, sixty-five".