1601828256 has 48 divisors (see below), whose sum is σ = 4805486784. Its totient is φ = 457665024.

The previous prime is 1601828251. The next prime is 1601828287. The reversal of 1601828256 is 6528281061.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1601828251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191165 + ... + 1192508.

It is an arithmetic number, because the mean of its divisors is an integer number (100114308).

Almost surely, 2^1601828256 is an apocalyptic number.

1601828256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601828256 is an abundant number, since it is smaller than the sum of its proper divisors (3203658528).

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

1601828256 is a wasteful number, since it uses less digits than its factorization.

1601828256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383693 (or 2383685 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1601828256 is about 40022.8466753678. The cubic root of 1601828256 is about 1170.0524134603.

The spelling of 1601828256 in words is "one billion, six hundred one million, eight hundred twenty-eight thousand, two hundred fifty-six".