618216282 has 12 divisors (see below), whose sum is σ = 1339468650. Its totient is φ = 206072088.

The previous prime is 618216259. The next prime is 618216283. The reversal of 618216282 is 282612816.

618216282 is a `hidden beast` number, since 6 + 1 + 8 + 21 + 628 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 391683681 + 226532601 = 19791^2 + 15051^2 .

It is a super-3 number, since 3×618216282³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (618216283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17172657 + ... + 17172692.

Almost surely, 2^618216282 is an apocalyptic number.

618216282 is an abundant number, since it is smaller than the sum of its proper divisors (721252368).

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

618216282 is a wasteful number, since it uses less digits than its factorization.

618216282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34345357 (or 34345354 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 618216282 is about 24863.9554777594. The cubic root of 618216282 is about 851.8833818432.

The spelling of 618216282 in words is "six hundred eighteen million, two hundred sixteen thousand, two hundred eighty-two".