6532161389280 has 144 divisors (see below), whose sum is σ = 22293182620800. Its totient is φ = 1741739203584.

The previous prime is 6532161389261. The next prime is 6532161389309. The reversal of 6532161389280 is 829831612356.

6532161389280 is a `hidden beast` number, since 6 + 5 + 321 + 6 + 1 + 38 + 9 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-4 number, since 4×6532161389280⁴ (a number of 52 digits) contains 4444 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 14849946 + ... + 15283494.

It is an arithmetic number, because the mean of its divisors is an integer number (154813768200).

Almost surely, 2^{6532161389280} is an apocalyptic number.

6532161389280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6532161389280 is an abundant number, since it is smaller than the sum of its proper divisors (15761021231520).

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

6532161389280 is a wasteful number, since it uses less digits than its factorization.

6532161389280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444033 (or 444022 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 6532161389280 in words is "six trillion, five hundred thirty-two billion, one hundred sixty-one million, three hundred eighty-nine thousand, two hundred eighty".