216750081276 has 48 divisors (see below), whose sum is σ = 562145920000. Its totient is φ = 72224150256.

The previous prime is 216750081253. The next prime is 216750081293. The reversal of 216750081276 is 672180057612.

216750081276 is a `hidden beast` number, since 2 + 1 + 67 + 500 + 8 + 12 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55276 + ... + 660723.

Almost surely, 2^216750081276 is an apocalyptic number.

It is an amenable number.

216750081276 is an abundant number, since it is smaller than the sum of its proper divisors (345395838724).

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

216750081276 is a wasteful number, since it uses less digits than its factorization.

216750081276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718815 (or 718807 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 216750081276 in words is "two hundred sixteen billion, seven hundred fifty million, eighty-one thousand, two hundred seventy-six".