536610665 has 8 divisors (see below), whose sum is σ = 659638728. Its totient is φ = 418817920.

The previous prime is 536610649. The next prime is 536610689. The reversal of 536610665 is 566016635.

It can be written as a sum of positive squares in 4 ways, for example, as 39677401 + 496933264 = 6299^2 + 22292^2 .

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

It is not a de Polignac number, because 536610665 - 2⁴ = 536610649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308602 + ... + 1309011.

It is an arithmetic number, because the mean of its divisors is an integer number (82454841).

Almost surely, 2^536610665 is an apocalyptic number.

It is an amenable number.

536610665 is a deficient number, since it is larger than the sum of its proper divisors (123028063).

536610665 is a wasteful number, since it uses less digits than its factorization.

536610665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617659.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 536610665 is about 23164.8584066469. The cubic root of 536610665 is about 812.6179912274.

The spelling of 536610665 in words is "five hundred thirty-six million, six hundred ten thousand, six hundred sixty-five".