1632813056 has 120 divisors (see below), whose sum is σ = 3900583680. Its totient is φ = 668270592.

The previous prime is 1632813019. The next prime is 1632813137. The reversal of 1632813056 is 6503182361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637515 + ... + 2638133.

It is an arithmetic number, because the mean of its divisors is an integer number (32504864).

Almost surely, 2^1632813056 is an apocalyptic number.

1632813056 is a gapful number since it is divisible by the number (16) 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 1632813056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950291840).

1632813056 is an abundant number, since it is smaller than the sum of its proper divisors (2267770624).

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

1632813056 is an frugal number, since it uses more digits than its factorization.

1632813056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1632813056 is about 40408.0815679240. The cubic root of 1632813056 is about 1177.5485484767.

The spelling of 1632813056 in words is "one billion, six hundred thirty-two million, eight hundred thirteen thousand, fifty-six".