5167748665 has 4 divisors (see below), whose sum is σ = 6201298404. Its totient is φ = 4134198928.

The previous prime is 5167748633. The next prime is 5167748683. The reversal of 5167748665 is 5668477615.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3094585641 + 2073163024 = 55629^2 + 45532^2 .

It is a cyclic number.

It is not a de Polignac number, because 5167748665 - 2⁵ = 5167748633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516774862 + ... + 516774871.

It is an arithmetic number, because the mean of its divisors is an integer number (1550324601).

Almost surely, 2^5167748665 is an apocalyptic number.

It is an amenable number.

5167748665 is a deficient number, since it is larger than the sum of its proper divisors (1033549739).

5167748665 is a wasteful number, since it uses less digits than its factorization.

5167748665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033549738.

The product of its digits is 8467200, while the sum is 55.

The square root of 5167748665 is about 71887.0549195055. The cubic root of 5167748665 is about 1728.8890664586.

The spelling of 5167748665 in words is "five billion, one hundred sixty-seven million, seven hundred forty-eight thousand, six hundred sixty-five".