1601344320 has 112 divisors (see below), whose sum is σ = 5351922240. Its totient is φ = 404545536.

The previous prime is 1601344319. The next prime is 1601344321. The reversal of 1601344320 is 234431061.

It is an interprime number because it is at equal distance from previous prime (1601344319) and next prime (1601344321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601344321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25657 + ... + 62136.

It is an arithmetic number, because the mean of its divisors is an integer number (47785020).

Almost surely, 2^1601344320 is an apocalyptic number.

1601344320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601344320 is an abundant number, since it is smaller than the sum of its proper divisors (3750577920).

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

1601344320 is a wasteful number, since it uses less digits than its factorization.

1601344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87832 (or 87822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1601344320 is about 40016.8004718018. The cubic root of 1601344320 is about 1169.9345715476.

Adding to 1601344320 its reverse (234431061), we get a palindrome (1835775381).

The spelling of 1601344320 in words is "one billion, six hundred one million, three hundred forty-four thousand, three hundred twenty".