663381346210 has 64 divisors (see below), whose sum is σ = 1379881246464. Its totient is φ = 226938265600.

The previous prime is 663381346207. The next prime is 663381346211. The reversal of 663381346210 is 12643183366.

It is not an unprimeable number, because it can be changed into a prime (663381346211) 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, 4172475 + ... + 4328545.

It is an arithmetic number, because the mean of its divisors is an integer number (21560644476).

Almost surely, 2^663381346210 is an apocalyptic number.

663381346210 is an abundant number, since it is smaller than the sum of its proper divisors (716499900254).

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

663381346210 is a wasteful number, since it uses less digits than its factorization.

663381346210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158379.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 663381346210 in words is "six hundred sixty-three billion, three hundred eighty-one million, three hundred forty-six thousand, two hundred ten".