216241663601626 has 32 divisors (see below), whose sum is σ = 352599835166208. Its totient is φ = 98864994601920.

The previous prime is 216241663601611. The next prime is 216241663601629. The reversal of 216241663601626 is 626106366142612.

It is not an unprimeable number, because it can be changed into a prime (216241663601629) 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, 42824631 + ... + 47607061.

It is an arithmetic number, because the mean of its divisors is an integer number (11018744848944).

Almost surely, 2^{216241663601626} is an apocalyptic number.

216241663601626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

216241663601626 is a deficient number, since it is larger than the sum of its proper divisors (136358171564582).

216241663601626 is a wasteful number, since it uses less digits than its factorization.

216241663601626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798806.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 216241663601626 in words is "two hundred sixteen trillion, two hundred forty-one billion, six hundred sixty-three million, six hundred one thousand, six hundred twenty-six".