216049925872 has 20 divisors (see below), whose sum is σ = 456650980056. Its totient is φ = 98204511680.

The previous prime is 216049925869. The next prime is 216049925881. The reversal of 216049925872 is 278529940612.

It is a happy number.

216049925872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 613778023 + ... + 613778374.

Almost surely, 2^216049925872 is an apocalyptic number.

216049925872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216049925872 is an abundant number, since it is smaller than the sum of its proper divisors (240601054184).

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

216049925872 is a wasteful number, since it uses less digits than its factorization.

216049925872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227556416 (or 1227556410 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 216049925872 in words is "two hundred sixteen billion, forty-nine million, nine hundred twenty-five thousand, eight hundred seventy-two".