495116663 has 8 divisors (see below), whose sum is σ = 512738688. Its totient is φ = 477772344.

The previous prime is 495116651. The next prime is 495116683. The reversal of 495116663 is 366611594.

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

It is a cyclic number.

It is not a de Polignac number, because 495116663 - 2⁶ = 495116599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495116663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495116683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65795 + ... + 72932.

It is an arithmetic number, because the mean of its divisors is an integer number (64092336).

Almost surely, 2^495116663 is an apocalyptic number.

495116663 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

495116663 is a deficient number, since it is larger than the sum of its proper divisors (17622025).

495116663 is a wasteful number, since it uses less digits than its factorization.

495116663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138853.

The product of its digits is 116640, while the sum is 41.

The square root of 495116663 is about 22251.2171127783. The cubic root of 495116663 is about 791.1081297837.

The spelling of 495116663 in words is "four hundred ninety-five million, one hundred sixteen thousand, six hundred sixty-three".