1601933320 has 128 divisors (see below), whose sum is σ = 4227552000. Its totient is φ = 540933120.

The previous prime is 1601933287. The next prime is 1601933327. The reversal of 1601933320 is 233391061.

It is not an unprimeable number, because it can be changed into a prime (1601933327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283725 + ... + 289315.

It is an arithmetic number, because the mean of its divisors is an integer number (33027750).

Almost surely, 2^1601933320 is an apocalyptic number.

1601933320 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 1601933320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113776000).

1601933320 is an abundant number, since it is smaller than the sum of its proper divisors (2625618680).

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

1601933320 is a wasteful number, since it uses less digits than its factorization.

1601933320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1601933320 is about 40024.1592041607. The cubic root of 1601933320 is about 1170.0779941676.

The spelling of 1601933320 in words is "one billion, six hundred one million, nine hundred thirty-three thousand, three hundred twenty".