1641432864032 has 48 divisors (see below), whose sum is σ = 3519256257720. Its totient is φ = 749072197632.

The previous prime is 1641432863999. The next prime is 1641432864083. The reversal of 1641432864032 is 2304682341461.

It can be written as a sum of positive squares in 4 ways, for example, as 1424384962576 + 217047901456 = 1193476^2 + 465884^2 .

It is an unprimeable number.

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, 22130123 + ... + 22204170.

Almost surely, 2^{1641432864032} is an apocalyptic number.

It is an amenable number.

1641432864032 is an abundant number, since it is smaller than the sum of its proper divisors (1877823393688).

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

1641432864032 is a wasteful number, since it uses less digits than its factorization.

1641432864032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44334405 (or 44334397 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 1641432864032 in words is "one trillion, six hundred forty-one billion, four hundred thirty-two million, eight hundred sixty-four thousand, thirty-two".