633235450668 has 48 divisors (see below), whose sum is σ = 1556199993600. Its totient is φ = 200014222144.

The previous prime is 633235450663. The next prime is 633235450693. The reversal of 633235450668 is 866054532336.

It is a self number, because there is not a number n which added to its sum of digits gives 633235450668.

It is not an unprimeable number, because it can be changed into a prime (633235450663) 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, 10691643 + ... + 10750706.

It is an arithmetic number, because the mean of its divisors is an integer number (32420833200).

Almost surely, 2^633235450668 is an apocalyptic number.

It is an amenable number.

633235450668 is an abundant number, since it is smaller than the sum of its proper divisors (922964542932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633235450668 is a wasteful number, since it uses less digits than its factorization.

633235450668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21442486 (or 21442484 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 633235450668 in words is "six hundred thirty-three billion, two hundred thirty-five million, four hundred fifty thousand, six hundred sixty-eight".