1618089324 has 48 divisors (see below), whose sum is σ = 3986236800. Its totient is φ = 509435136.

The previous prime is 1618089289. The next prime is 1618089367. The reversal of 1618089324 is 4239808161.

It is a super-3 number, since 3×1618089324³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66307 + ... + 87365.

It is an arithmetic number, because the mean of its divisors is an integer number (83046600).

Almost surely, 2^1618089324 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 1618089324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1993118400).

1618089324 is an abundant number, since it is smaller than the sum of its proper divisors (2368147476).

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

1618089324 is a wasteful number, since it uses less digits than its factorization.

1618089324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422 (or 21420 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1618089324 is about 40225.4810288205. The cubic root of 1618089324 is about 1173.9983796160.

The spelling of 1618089324 in words is "one billion, six hundred eighteen million, eighty-nine thousand, three hundred twenty-four".