216455662 has 16 divisors (see below), whose sum is σ = 344351952. Its totient is φ = 101692800.

The previous prime is 216455651. The next prime is 216455699. The reversal of 216455662 is 266554612.

It is a super-2 number, since 2×216455662² = 93706107223716488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16912 + ... + 26812.

It is an arithmetic number, because the mean of its divisors is an integer number (21521997).

Almost surely, 2^216455662 is an apocalyptic number.

216455662 is a deficient number, since it is larger than the sum of its proper divisors (127896290).

216455662 is a wasteful number, since it uses less digits than its factorization.

216455662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563.

The product of its digits is 86400, while the sum is 37.

The square root of 216455662 is about 14712.4322258422. The cubic root of 216455662 is about 600.4216129274.

The spelling of 216455662 in words is "two hundred sixteen million, four hundred fifty-five thousand, six hundred sixty-two".