216455062 has 4 divisors (see below), whose sum is σ = 324682596. Its totient is φ = 108227530.

The previous prime is 216455053. The next prime is 216455137. The reversal of 216455062 is 260554612.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54113764 + ... + 54113767.

It is an arithmetic number, because the mean of its divisors is an integer number (81170649).

Almost surely, 2^216455062 is an apocalyptic number.

216455062 is a deficient number, since it is larger than the sum of its proper divisors (108227534).

216455062 is a wasteful number, since it uses less digits than its factorization.

216455062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108227533.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 216455062 is about 14712.4118349100. The cubic root of 216455062 is about 600.4210581513.

It can be divided in two parts, 2164550 and 62, that added together give a palindrome (2164612).

The spelling of 216455062 in words is "two hundred sixteen million, four hundred fifty-five thousand, sixty-two".