1641233048 has 128 divisors (see below), whose sum is σ = 3904320000. Its totient is φ = 642660480.

The previous prime is 1641233017. The next prime is 1641233051. The reversal of 1641233048 is 8403321461.

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, 4958243 + ... + 4958573.

It is an arithmetic number, because the mean of its divisors is an integer number (30502500).

Almost surely, 2^1641233048 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 1641233048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952160000).

1641233048 is an abundant number, since it is smaller than the sum of its proper divisors (2263086952).

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

1641233048 is a wasteful number, since it uses less digits than its factorization.

1641233048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1641233048 is about 40512.1345771856. The cubic root of 1641233048 is about 1179.5691829561.

The spelling of 1641233048 in words is "one billion, six hundred forty-one million, two hundred thirty-three thousand, forty-eight".