1618254368 has 48 divisors (see below), whose sum is σ = 3264105600. Its totient is φ = 789386496.

The previous prime is 1618254367. The next prime is 1618254373. The reversal of 1618254368 is 8634528161.

It is not an unprimeable number, because it can be changed into a prime (1618254367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523355 + ... + 526437.

It is an arithmetic number, because the mean of its divisors is an integer number (68002200).

Almost surely, 2^1618254368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618254368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632052800).

1618254368 is an abundant number, since it is smaller than the sum of its proper divisors (1645851232).

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

1618254368 is a wasteful number, since it uses less digits than its factorization.

1618254368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3481 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 1618254368 is about 40227.5324622329. The cubic root of 1618254368 is about 1174.0382939351.

The spelling of 1618254368 in words is "one billion, six hundred eighteen million, two hundred fifty-four thousand, three hundred sixty-eight".