1618872282 has 48 divisors (see below), whose sum is σ = 3555220032. Its totient is φ = 532342080.

The previous prime is 1618872271. The next prime is 1618872301. The reversal of 1618872282 is 2822788161.

It is a happy number.

1618872282 is a `hidden beast` number, since 1 + 618 + 8 + 7 + 2 + 28 + 2 = 666.

1618872282 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409857 + ... + 413787.

It is an arithmetic number, because the mean of its divisors is an integer number (74067084).

Almost surely, 2^1618872282 is an apocalyptic number.

1618872282 is an abundant number, since it is smaller than the sum of its proper divisors (1936347750).

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

1618872282 is a wasteful number, since it uses less digits than its factorization.

1618872282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243 (or 4240 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 1618872282 is about 40235.2119666344. The cubic root of 1618872282 is about 1174.1877064536.

The spelling of 1618872282 in words is "one billion, six hundred eighteen million, eight hundred seventy-two thousand, two hundred eighty-two".