1601148928 has 48 divisors (see below), whose sum is σ = 3312036000. Its totient is φ = 772939776.

The previous prime is 1601148919. The next prime is 1601148937. The reversal of 1601148928 is 8298411061.

It is an interprime number because it is at equal distance from previous prime (1601148919) and next prime (1601148937).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45913 + ... + 72871.

It is an arithmetic number, because the mean of its divisors is an integer number (69000750).

Almost surely, 2^1601148928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601148928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656018000).

1601148928 is an abundant number, since it is smaller than the sum of its proper divisors (1710887072).

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

1601148928 is an equidigital number, since it uses as much as digits as its factorization.

1601148928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27010 (or 26990 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1601148928 is about 40014.3590227308. The cubic root of 1601148928 is about 1169.8869854556.

Adding to 1601148928 its reverse (8298411061), we get a palindrome (9899559989).

The spelling of 1601148928 in words is "one billion, six hundred one million, one hundred forty-eight thousand, nine hundred twenty-eight".