216056662 has 4 divisors (see below), whose sum is σ = 324084996. Its totient is φ = 108028330.

The previous prime is 216056651. The next prime is 216056671. The reversal of 216056662 is 266650612.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54014164 + ... + 54014167.

It is an arithmetic number, because the mean of its divisors is an integer number (81021249).

Almost surely, 2^216056662 is an apocalyptic number.

216056662 is a deficient number, since it is larger than the sum of its proper divisors (108028334).

216056662 is a wasteful number, since it uses less digits than its factorization.

216056662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108028333.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 216056662 is about 14698.8660106826. The cubic root of 216056662 is about 600.0524602279.

The spelling of 216056662 in words is "two hundred sixteen million, fifty-six thousand, six hundred sixty-two".