58944327661 has 4 divisors (see below), whose sum is σ = 59285046492. Its totient is φ = 58603608832.

The previous prime is 58944327643. The next prime is 58944327677. The reversal of 58944327661 is 16672344985.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44253433225 + 14690894436 = 210365^2 + 121206^2 .

It is not a de Polignac number, because 58944327661 - 2¹⁷ = 58944196589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58944327601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170359156 + ... + 170359501.

It is an arithmetic number, because the mean of its divisors is an integer number (14821261623).

Almost surely, 2^58944327661 is an apocalyptic number.

It is an amenable number.

58944327661 is a deficient number, since it is larger than the sum of its proper divisors (340718831).

58944327661 is a wasteful number, since it uses less digits than its factorization.

58944327661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340718830.

The product of its digits is 8709120, while the sum is 55.

The spelling of 58944327661 in words is "fifty-eight billion, nine hundred forty-four million, three hundred twenty-seven thousand, six hundred sixty-one".