506011665 has 8 divisors (see below), whose sum is σ = 809618688. Its totient is φ = 269872880.

The previous prime is 506011657. The next prime is 506011673. The reversal of 506011665 is 566110605.

It is an interprime number because it is at equal distance from previous prime (506011657) and next prime (506011673).

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

It is not a de Polignac number, because 506011665 - 2³ = 506011657 is a prime.

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, 16867041 + ... + 16867070.

It is an arithmetic number, because the mean of its divisors is an integer number (101202336).

Almost surely, 2^506011665 is an apocalyptic number.

It is an amenable number.

506011665 is a deficient number, since it is larger than the sum of its proper divisors (303607023).

506011665 is a wasteful number, since it uses less digits than its factorization.

506011665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734119.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 506011665 is about 22494.7030431611. The cubic root of 506011665 is about 796.8688362768.

The spelling of 506011665 in words is "five hundred six million, eleven thousand, six hundred sixty-five".