216066131621010 has 96 divisors (see below), whose sum is σ = 617251055279040. Its totient is φ = 52002836092800.

The previous prime is 216066131621009. The next prime is 216066131621017. The reversal of 216066131621010 is 10126131660612.

216066131621010 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 6 + 6 + 13 + 1 + 621 + 0 + 10 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216066131621017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 784929361 + ... + 785204580.

It is an arithmetic number, because the mean of its divisors is an integer number (6429698492490).

Almost surely, 2^{216066131621010} is an apocalyptic number.

216066131621010 is an abundant number, since it is smaller than the sum of its proper divisors (401184923658030).

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

216066131621010 is a wasteful number, since it uses less digits than its factorization.

216066131621010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570134104 (or 1570134101 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 216066131621010 in words is "two hundred sixteen trillion, sixty-six billion, one hundred thirty-one million, six hundred twenty-one thousand, ten".