663080026630 has 32 divisors (see below), whose sum is σ = 1435842466560. Its totient is φ = 215376369120.

The previous prime is 663080026627. The next prime is 663080026639. The reversal of 663080026630 is 36620080366.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663080026639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249276876 + ... + 249279535.

It is an arithmetic number, because the mean of its divisors is an integer number (44870077080).

Almost surely, 2^663080026630 is an apocalyptic number.

663080026630 is an abundant number, since it is smaller than the sum of its proper divisors (772762439930).

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

663080026630 is a wasteful number, since it uses less digits than its factorization.

663080026630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498556444.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 663080026630 in words is "six hundred sixty-three billion, eighty million, twenty-six thousand, six hundred thirty".