536143665 has 8 divisors (see below), whose sum is σ = 857829888. Its totient is φ = 285943280.

The previous prime is 536143627. The next prime is 536143669. The reversal of 536143665 is 566341635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 536143665 - 2⁷ = 536143537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (536143669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17871441 + ... + 17871470.

It is an arithmetic number, because the mean of its divisors is an integer number (107228736).

Almost surely, 2^536143665 is an apocalyptic number.

It is an amenable number.

536143665 is a deficient number, since it is larger than the sum of its proper divisors (321686223).

536143665 is a wasteful number, since it uses less digits than its factorization.

536143665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35742919.

The product of its digits is 194400, while the sum is 39.

The square root of 536143665 is about 23154.7762891374. The cubic root of 536143665 is about 812.3821885199.

The spelling of 536143665 in words is "five hundred thirty-six million, one hundred forty-three thousand, six hundred sixty-five".