495603665 has 16 divisors (see below), whose sum is σ = 618416640. Its totient is φ = 380876160.

The previous prime is 495603659. The next prime is 495603677. The reversal of 495603665 is 566306594.

It is not a de Polignac number, because 495603665 - 2¹⁶ = 495538129 is a prime.

It is a super-2 number, since 2×495603665² = 491245985522864450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9566 + ... + 32904.

It is an arithmetic number, because the mean of its divisors is an integer number (38651040).

Almost surely, 2^495603665 is an apocalyptic number.

It is an amenable number.

495603665 is a deficient number, since it is larger than the sum of its proper divisors (122812975).

495603665 is a wasteful number, since it uses less digits than its factorization.

495603665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23512.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 495603665 is about 22262.1576896760. The cubic root of 495603665 is about 791.3674255687.

The spelling of 495603665 in words is "four hundred ninety-five million, six hundred three thousand, six hundred sixty-five".