541630665 has 16 divisors (see below), whose sum is σ = 962899200. Its totient is φ = 288869616.

The previous prime is 541630633. The next prime is 541630669. The reversal of 541630665 is 566036145.

It is not a de Polignac number, because 541630665 - 2⁵ = 541630633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541630669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005905 + ... + 2006174.

It is an arithmetic number, because the mean of its divisors is an integer number (60181200).

Almost surely, 2^541630665 is an apocalyptic number.

It is an amenable number.

541630665 is a deficient number, since it is larger than the sum of its proper divisors (421268535).

541630665 is a wasteful number, since it uses less digits than its factorization.

541630665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012093 (or 4012087 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 541630665 is about 23272.9599535598. The cubic root of 541630665 is about 815.1441475371.

The spelling of 541630665 in words is "five hundred forty-one million, six hundred thirty thousand, six hundred sixty-five".