1641596832 has 36 divisors (see below), whose sum is σ = 4668291810. Its totient is φ = 547198848.

The previous prime is 1641596813. The next prime is 1641596833. The reversal of 1641596832 is 2386951461.

1641596832 is a `hidden beast` number, since 16 + 41 + 596 + 8 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1255710096 + 385886736 = 35436^2 + 19644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1641596833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2849707 + ... + 2850282.

Almost surely, 2^1641596832 is an apocalyptic number.

1641596832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1641596832 is an abundant number, since it is smaller than the sum of its proper divisors (3026694978).

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

1641596832 is a wasteful number, since it uses less digits than its factorization.

1641596832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700005 (or 5699994 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1641596832 is about 40516.6241436771. The cubic root of 1641596832 is about 1179.6563281456.

The spelling of 1641596832 in words is "one billion, six hundred forty-one million, five hundred ninety-six thousand, eight hundred thirty-two".