663019950 has 48 divisors (see below), whose sum is σ = 1646970480. Its totient is φ = 176517120.

The previous prime is 663019921. The next prime is 663019963. The reversal of 663019950 is 59910366.

663019950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 663019899 and 663019908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98286 + ... + 104814.

It is an arithmetic number, because the mean of its divisors is an integer number (34311885).

Almost surely, 2^663019950 is an apocalyptic number.

663019950 is an abundant number, since it is smaller than the sum of its proper divisors (983950530).

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

663019950 is a wasteful number, since it uses less digits than its factorization.

663019950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221 (or 7216 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 663019950 is about 25749.1737731524. The cubic root of 663019950 is about 871.9847013210.

The spelling of 663019950 in words is "six hundred sixty-three million, nineteen thousand, nine hundred fifty".