1618060416 has 128 divisors (see below), whose sum is σ = 5026560000. Its totient is φ = 451519488.

The previous prime is 1618060397. The next prime is 1618060421. The reversal of 1618060416 is 6140608161.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108585 + ... + 122583.

It is an arithmetic number, because the mean of its divisors is an integer number (39270000).

Almost surely, 2^1618060416 is an apocalyptic number.

1618060416 is a gapful number since it is divisible by the number (16) 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 1618060416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513280000).

1618060416 is an abundant number, since it is smaller than the sum of its proper divisors (3408499584).

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

1618060416 is a wasteful number, since it uses less digits than its factorization.

1618060416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1618060416 is about 40225.1217027370. The cubic root of 1618060416 is about 1173.9913882122.

Adding to 1618060416 its reverse (6140608161), we get a palindrome (7758668577).

The spelling of 1618060416 in words is "one billion, six hundred eighteen million, sixty thousand, four hundred sixteen".