216254682 has 48 divisors (see below), whose sum is σ = 553962240. Its totient is φ = 59655456.

The previous prime is 216254659. The next prime is 216254683. The reversal of 216254682 is 286452612.

It is a happy number.

216254682 is a `hidden beast` number, since 21 + 625 + 4 + 6 + 8 + 2 = 666.

It is a super-2 number, since 2×216254682² = 93532174973842248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216254683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25938 + ... + 33245.

It is an arithmetic number, because the mean of its divisors is an integer number (11540880).

Almost surely, 2^216254682 is an apocalyptic number.

216254682 is an abundant number, since it is smaller than the sum of its proper divisors (337707558).

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

216254682 is a wasteful number, since it uses less digits than its factorization.

216254682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59227 (or 59224 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 216254682 is about 14705.6003617669. The cubic root of 216254682 is about 600.2357240448.

The spelling of 216254682 in words is "two hundred sixteen million, two hundred fifty-four thousand, six hundred eighty-two".