1641333132 has 30 divisors (see below), whose sum is σ = 4290769868. Its totient is φ = 547110936.

The previous prime is 1641333121. The next prime is 1641333167. The reversal of 1641333132 is 2313331461.

1641333132 is a `hidden beast` number, since 1 + 641 + 3 + 3 + 3 + 13 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1641333096 and 1641333105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2532598 + ... + 2533245.

Almost surely, 2^1641333132 is an apocalyptic number.

1641333132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1641333132 is an abundant number, since it is smaller than the sum of its proper divisors (2649436736).

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

1641333132 is a wasteful number, since it uses less digits than its factorization.

1641333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065859 (or 5065848 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 1641333132 is about 40513.3697931930. The cubic root of 1641333132 is about 1179.5931595637.

Adding to 1641333132 its reverse (2313331461), we get a palindrome (3954664593).

The spelling of 1641333132 in words is "one billion, six hundred forty-one million, three hundred thirty-three thousand, one hundred thirty-two".