663412050885 has 16 divisors (see below), whose sum is σ = 1062003945600. Its totient is φ = 353638205760.

The previous prime is 663412050883. The next prime is 663412050887. The reversal of 663412050885 is 588050214366.

It is a happy number.

663412050885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (663412050883) and next prime (663412050887).

It is not a de Polignac number, because 663412050885 - 2¹ = 663412050883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663412050883) 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, 11316961 + ... + 11375430.

It is an arithmetic number, because the mean of its divisors is an integer number (66375246600).

Almost surely, 2^663412050885 is an apocalyptic number.

It is an amenable number.

663412050885 is a deficient number, since it is larger than the sum of its proper divisors (398591894715).

663412050885 is a wasteful number, since it uses less digits than its factorization.

663412050885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694348.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 663412050885 in words is "six hundred sixty-three billion, four hundred twelve million, fifty thousand, eight hundred eighty-five".