5665087169 has 4 divisors (see below), whose sum is σ = 6474385344. Its totient is φ = 4855788996.

The previous prime is 5665087163. The next prime is 5665087189. The reversal of 5665087169 is 9617805665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5665087169 - 2⁸ = 5665086913 is a prime.

It is a super-2 number, since 2×5665087169² = 64186425264736869122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5665087169.

It is not an unprimeable number, because it can be changed into a prime (5665087163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404649077 + ... + 404649090.

It is an arithmetic number, because the mean of its divisors is an integer number (1618596336).

Almost surely, 2^5665087169 is an apocalyptic number.

It is an amenable number.

5665087169 is a deficient number, since it is larger than the sum of its proper divisors (809298175).

5665087169 is an equidigital number, since it uses as much as digits as its factorization.

5665087169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809298174.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 5665087169 is about 75266.7733399008. The cubic root of 5665087169 is about 1782.6614196549.

The spelling of 5665087169 in words is "five billion, six hundred sixty-five million, eighty-seven thousand, one hundred sixty-nine".