5388641165 has 4 divisors (see below), whose sum is σ = 6466369404. Its totient is φ = 4310912928.

The previous prime is 5388641149. The next prime is 5388641207. The reversal of 5388641165 is 5611468835.

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 3092027236 + 2296613929 = 55606^2 + 47923^2 .

It is a cyclic number.

It is not a de Polignac number, because 5388641165 - 2⁴ = 5388641149 is a prime.

It is a Duffinian number.

It is a congruent 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, 538864112 + ... + 538864121.

It is an arithmetic number, because the mean of its divisors is an integer number (1616592351).

Almost surely, 2^5388641165 is an apocalyptic number.

It is an amenable number.

5388641165 is a deficient number, since it is larger than the sum of its proper divisors (1077728239).

5388641165 is a wasteful number, since it uses less digits than its factorization.

5388641165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077728238.

The product of its digits is 691200, while the sum is 47.

The square root of 5388641165 is about 73407.3645147406. The cubic root of 5388641165 is about 1753.1796521759.

The spelling of 5388641165 in words is "five billion, three hundred eighty-eight million, six hundred forty-one thousand, one hundred sixty-five".