5394191165 has 32 divisors (see below), whose sum is σ = 7210498176. Its totient is φ = 3841116160.

The previous prime is 5394191149. The next prime is 5394191167. The reversal of 5394191165 is 5611914935.

It is not a de Polignac number, because 5394191165 - 2⁴ = 5394191149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394191167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510617 + ... + 521073.

It is an arithmetic number, because the mean of its divisors is an integer number (225328068).

Almost surely, 2^5394191165 is an apocalyptic number.

5394191165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5394191165 is a deficient number, since it is larger than the sum of its proper divisors (1816307011).

5394191165 is a wasteful number, since it uses less digits than its factorization.

5394191165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669.

The product of its digits is 145800, while the sum is 44.

The square root of 5394191165 is about 73445.1575326788. The cubic root of 5394191165 is about 1753.7813380913.

The spelling of 5394191165 in words is "five billion, three hundred ninety-four million, one hundred ninety-one thousand, one hundred sixty-five".