216343662 has 32 divisors (see below), whose sum is σ = 445284000. Its totient is φ = 70023168.

The previous prime is 216343661. The next prime is 216343663. The reversal of 216343662 is 266343612.

216343662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216343661) and next prime (216343663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216343661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205714 + ... + 206762.

It is an arithmetic number, because the mean of its divisors is an integer number (13915125).

Almost surely, 2^216343662 is an apocalyptic number.

216343662 is an abundant number, since it is smaller than the sum of its proper divisors (228940338).

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

216343662 is a wasteful number, since it uses less digits than its factorization.

216343662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its digits is 31104, while the sum is 33.

The square root of 216343662 is about 14708.6254286388. The cubic root of 216343662 is about 600.3180369466.

The spelling of 216343662 in words is "two hundred sixteen million, three hundred forty-three thousand, six hundred sixty-two".