663105100242 has 64 divisors (see below), whose sum is σ = 1475507617920. Its totient is φ = 198517804992.

The previous prime is 663105100211. The next prime is 663105100243. The reversal of 663105100242 is 242001501366.

It is not an unprimeable number, because it can be changed into a prime (663105100243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192048 + ... + 1167515.

It is an arithmetic number, because the mean of its divisors is an integer number (23054806530).

Almost surely, 2^663105100242 is an apocalyptic number.

663105100242 is an abundant number, since it is smaller than the sum of its proper divisors (812402517678).

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

663105100242 is a wasteful number, since it uses less digits than its factorization.

663105100242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359644 (or 1359618 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 663105100242 in words is "six hundred sixty-three billion, one hundred five million, one hundred thousand, two hundred forty-two".