1604016018 has 48 divisors (see below), whose sum is σ = 3810456000. Its totient is φ = 483611040.

The previous prime is 1604015993. The next prime is 1604016019. The reversal of 1604016018 is 8106104061.

1604016018 is a `hidden beast` number, since 16 + 0 + 40 + 1 + 601 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1604015982 and 1604016000.

It is not an unprimeable number, because it can be changed into a prime (1604016019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19048 + ... + 59756.

It is an arithmetic number, because the mean of its divisors is an integer number (79384500).

Almost surely, 2^1604016018 is an apocalyptic number.

1604016018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604016018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905228000).

1604016018 is an abundant number, since it is smaller than the sum of its proper divisors (2206439982).

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

1604016018 is a wasteful number, since it uses less digits than its factorization.

1604016018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40927 (or 40924 counting only the distinct ones).

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

The square root of 1604016018 is about 40050.1687636894. The cubic root of 1604016018 is about 1170.5848533354.

The spelling of 1604016018 in words is "one billion, six hundred four million, sixteen thousand, eighteen".