663882673418 has 16 divisors (see below), whose sum is σ = 1012729404960. Its totient is φ = 326306505456.

The previous prime is 663882673351. The next prime is 663882673423. The reversal of 663882673418 is 814376288366.

663882673418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8486921 + ... + 8564787.

It is an arithmetic number, because the mean of its divisors is an integer number (63295587810).

Almost surely, 2^663882673418 is an apocalyptic number.

663882673418 is a deficient number, since it is larger than the sum of its proper divisors (348846731542).

663882673418 is a wasteful number, since it uses less digits than its factorization.

663882673418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150181.

The product of its digits is 55738368, while the sum is 62.

The spelling of 663882673418 in words is "six hundred sixty-three billion, eight hundred eighty-two million, six hundred seventy-three thousand, four hundred eighteen".