1618160 has 40 divisors (see below), whose sum is σ = 3816720. Its totient is φ = 637952.

The previous prime is 1618153. The next prime is 1618181. The reversal of 1618160 is 618161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (95418).

2^1618160 is an apocalyptic number.

1618160 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 1618160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908360).

1618160 is an abundant number, since it is smaller than the sum of its proper divisors (2198560).

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

1618160 is a wasteful number, since it uses less digits than its factorization.

1618160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1618160 is about 1272.0691805087. The cubic root of 1618160 is about 117.4015472266.

Subtracting from 1618160 its reverse (618161), we obtain a palindrome (999999).

The spelling of 1618160 in words is "one million, six hundred eighteen thousand, one hundred sixty".