73532588661 has 24 divisors (see below), whose sum is σ = 123969840384. Its totient is φ = 41124607200.

The previous prime is 73532588573. The next prime is 73532588669. The reversal of 73532588661 is 16688523537.

73532588661 is a `hidden beast` number, since 7 + 3 + 53 + 2 + 588 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 73532588661 - 2⁷ = 73532588533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73532588598 and 73532588607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73532588669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12413890 + ... + 12419811.

It is an arithmetic number, because the mean of its divisors is an integer number (5165410016).

Almost surely, 2^73532588661 is an apocalyptic number.

It is an amenable number.

73532588661 is a deficient number, since it is larger than the sum of its proper divisors (50437251723).

73532588661 is a wasteful number, since it uses less digits than its factorization.

73532588661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833761 (or 24833758 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 73532588661 in words is "seventy-three billion, five hundred thirty-two million, five hundred eighty-eight thousand, six hundred sixty-one".