216656011934060 has 96 divisors (see below), whose sum is σ = 459259798136832. Its totient is φ = 85851743650560.

The previous prime is 216656011934057. The next prime is 216656011934069. The reversal of 216656011934060 is 60439110656612.

It is not an unprimeable number, because it can be changed into a prime (216656011934069) 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 31 ways as a sum of consecutive naturals, for example, 695831774 + ... + 696143066.

It is an arithmetic number, because the mean of its divisors is an integer number (4783956230592).

Almost surely, 2^{216656011934060} is an apocalyptic number.

216656011934060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216656011934060 is an abundant number, since it is smaller than the sum of its proper divisors (242603786202772).

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

216656011934060 is a wasteful number, since it uses less digits than its factorization.

216656011934060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312303 (or 312301 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 216656011934060 in words is "two hundred sixteen trillion, six hundred fifty-six billion, eleven million, nine hundred thirty-four thousand, sixty".