1604237120 has 224 divisors, whose sum is σ = 4219699968. Its totient is φ = 579059712.

The previous prime is 1604237111. The next prime is 1604237153. The reversal of 1604237120 is 217324061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604237120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11709692 + ... + 11709828.

Almost surely, 2^1604237120 is an apocalyptic number.

1604237120 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 1604237120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109849984).

1604237120 is an abundant number, since it is smaller than the sum of its proper divisors (2615462848).

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

1604237120 is a wasteful number, since it uses less digits than its factorization.

1604237120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1604237120 is about 40052.9289815364. The cubic root of 1604237120 is about 1170.6386364145.

The spelling of 1604237120 in words is "one billion, six hundred four million, two hundred thirty-seven thousand, one hundred twenty".