1618087360 has 56 divisors (see below), whose sum is σ = 3869375040. Its totient is φ = 644496384.

The previous prime is 1618087349. The next prime is 1618087363. The reversal of 1618087360 is 637808161.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618087363) 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, 65902 + ... + 87058.

Almost surely, 2^1618087360 is an apocalyptic number.

1618087360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618087360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934687520).

1618087360 is an abundant number, since it is smaller than the sum of its proper divisors (2251287680).

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

1618087360 is a wasteful number, since it uses less digits than its factorization.

1618087360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21413 (or 21403 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1618087360 is about 40225.4566164264. The cubic root of 1618087360 is about 1173.9979046249.

The spelling of 1618087360 in words is "one billion, six hundred eighteen million, eighty-seven thousand, three hundred sixty".