1618030080 has 480 divisors, whose sum is σ = 6180720480. Its totient is φ = 406093824.

The previous prime is 1618030049. The next prime is 1618030087. The reversal of 1618030080 is 800308161.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618030087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95178232 + ... + 95178248.

It is an arithmetic number, because the mean of its divisors is an integer number (12876501).

Almost surely, 2^1618030080 is an apocalyptic number.

1618030080 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 1618030080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090360240).

1618030080 is an abundant number, since it is smaller than the sum of its proper divisors (4562690400).

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

1618030080 is an frugal number, since it uses more digits than its factorization.

1618030080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1618030080 is about 40224.7446231794. The cubic root of 1618030080 is about 1173.9840513569.

The spelling of 1618030080 in words is "one billion, six hundred eighteen million, thirty thousand, eighty".