663552115242746 has 16 divisors (see below), whose sum is σ = 998167234495104. Its totient is φ = 330829740345984.

The previous prime is 663552115242697. The next prime is 663552115242749. The reversal of 663552115242746 is 647242511255366.

It is a super-3 number, since 3×663552115242746³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (663552115242749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27236645 + ... + 45485591.

It is an arithmetic number, because the mean of its divisors is an integer number (62385452155944).

Almost surely, 2^{663552115242746} is an apocalyptic number.

663552115242746 is a deficient number, since it is larger than the sum of its proper divisors (334615119252358).

663552115242746 is a wasteful number, since it uses less digits than its factorization.

663552115242746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18300805.

The product of its digits is 72576000, while the sum is 59.

The spelling of 663552115242746 in words is "six hundred sixty-three trillion, five hundred fifty-two billion, one hundred fifteen million, two hundred forty-two thousand, seven hundred forty-six".