58208001661 has 2 divisors, whose sum is σ = 58208001662. Its totient is φ = 58208001660.

The previous prime is 58208001647. The next prime is 58208001707. The reversal of 58208001661 is 16610080285.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51986736036 + 6221265625 = 228006^2 + 78875^2 .

It is a cyclic number.

It is not a de Polignac number, because 58208001661 - 2¹³ = 58207993469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58208001661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58208001961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29104000830 + 29104000831.

It is an arithmetic number, because the mean of its divisors is an integer number (29104000831).

Almost surely, 2^58208001661 is an apocalyptic number.

It is an amenable number.

58208001661 is a deficient number, since it is larger than the sum of its proper divisors (1).

58208001661 is an equidigital number, since it uses as much as digits as its factorization.

58208001661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 58208001661 in words is "fifty-eight billion, two hundred eight million, one thousand, six hundred sixty-one".