5531162165 has 4 divisors (see below), whose sum is σ = 6637394604. Its totient is φ = 4424929728.

The previous prime is 5531162159. The next prime is 5531162173. The reversal of 5531162165 is 5612611355.

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 1528575409 + 4002586756 = 39097^2 + 63266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5531162165 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, 553116212 + ... + 553116221.

It is an arithmetic number, because the mean of its divisors is an integer number (1659348651).

Almost surely, 2^5531162165 is an apocalyptic number.

It is an amenable number.

5531162165 is a deficient number, since it is larger than the sum of its proper divisors (1106232439).

5531162165 is a wasteful number, since it uses less digits than its factorization.

5531162165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106232438.

The product of its digits is 27000, while the sum is 35.

The square root of 5531162165 is about 74371.7833926281. The cubic root of 5531162165 is about 1768.5016275418.

The spelling of 5531162165 in words is "five billion, five hundred thirty-one million, one hundred sixty-two thousand, one hundred sixty-five".