663601221152 has 48 divisors (see below), whose sum is σ = 1308363259392. Its totient is φ = 331318817280.

The previous prime is 663601221131. The next prime is 663601221211. The reversal of 663601221152 is 251122106366.

It is a super-2 number, since 2×663601221152² (a number of 24 digits) contains 22 as substring.

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, 122500748 + ... + 122506164.

It is an arithmetic number, because the mean of its divisors is an integer number (27257567904).

Almost surely, 2^663601221152 is an apocalyptic number.

It is an amenable number.

663601221152 is a deficient number, since it is larger than the sum of its proper divisors (644762038240).

663601221152 is a wasteful number, since it uses less digits than its factorization.

663601221152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 663601221152 in words is "six hundred sixty-three billion, six hundred one million, two hundred twenty-one thousand, one hundred fifty-two".