216761489622 has 24 divisors (see below), whose sum is σ = 469729766376. Its totient is φ = 72241541856.

The previous prime is 216761489611. The next prime is 216761489629. The reversal of 216761489622 is 226984167612.

216761489622 is a `hidden beast` number, since 2 + 1 + 6 + 7 + 6 + 1 + 4 + 8 + 9 + 622 = 666.

216761489622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216761489629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914908 + ... + 1127199.

It is an arithmetic number, because the mean of its divisors is an integer number (19572073599).

Almost surely, 2^216761489622 is an apocalyptic number.

216761489622 is an abundant number, since it is smaller than the sum of its proper divisors (252968276754).

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

216761489622 is a wasteful number, since it uses less digits than its factorization.

216761489622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048012 (or 2048009 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 216761489622 in words is "two hundred sixteen billion, seven hundred sixty-one million, four hundred eighty-nine thousand, six hundred twenty-two".