216053896 has 8 divisors (see below), whose sum is σ = 405101070. Its totient is φ = 108026944.

The previous prime is 216053891. The next prime is 216053947. The reversal of 216053896 is 698350612.

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 4351396 = 14550^2 + 2086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (216053891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13503361 + ... + 13503376.

Almost surely, 2^216053896 is an apocalyptic number.

It is an amenable number.

216053896 is a deficient number, since it is larger than the sum of its proper divisors (189047174).

216053896 is a wasteful number, since it uses less digits than its factorization.

216053896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27006743 (or 27006739 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 216053896 is about 14698.7719214906. The cubic root of 216053896 is about 600.0498995536.

The spelling of 216053896 in words is "two hundred sixteen million, fifty-three thousand, eight hundred ninety-six".