216701237980 has 48 divisors (see below), whose sum is σ = 456282844416. Its totient is φ = 86450158080.

The previous prime is 216701237923. The next prime is 216701237981. The reversal of 216701237980 is 89732107612.

216701237980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216701237980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216701237981) 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, 26145397 + ... + 26153683.

It is an arithmetic number, because the mean of its divisors is an integer number (9505892592).

Almost surely, 2^216701237980 is an apocalyptic number.

216701237980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216701237980 is an abundant number, since it is smaller than the sum of its proper divisors (239581606436).

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

216701237980 is a wasteful number, since it uses less digits than its factorization.

216701237980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11614 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 216701237980 in words is "two hundred sixteen billion, seven hundred one million, two hundred thirty-seven thousand, nine hundred eighty".