663236342616 has 16 divisors (see below), whose sum is σ = 1658090856600. Its totient is φ = 221078780864.

The previous prime is 663236342611. The next prime is 663236342641. The reversal of 663236342616 is 616243632366.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663236342611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13817423781 + ... + 13817423828.

Almost surely, 2^663236342616 is an apocalyptic number.

It is an amenable number.

663236342616 is an abundant number, since it is smaller than the sum of its proper divisors (994854513984).

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

663236342616 is a wasteful number, since it uses less digits than its factorization.

663236342616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27634847618 (or 27634847614 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 48.

The spelling of 663236342616 in words is "six hundred sixty-three billion, two hundred thirty-six million, three hundred forty-two thousand, six hundred sixteen".