58170086561 has 4 divisors (see below), whose sum is σ = 58232703300. Its totient is φ = 58107469824.

The previous prime is 58170086501. The next prime is 58170086563. The reversal of 58170086561 is 16568007185.

It is a happy number.

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 25625926561 + 32544160000 = 160081^2 + 180400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58170086561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (58170086563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31306976 + ... + 31308833.

It is an arithmetic number, because the mean of its divisors is an integer number (14558175825).

Almost surely, 2^58170086561 is an apocalyptic number.

It is an amenable number.

58170086561 is a deficient number, since it is larger than the sum of its proper divisors (62616739).

58170086561 is an equidigital number, since it uses as much as digits as its factorization.

58170086561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62616738.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 58170086561 in words is "fifty-eight billion, one hundred seventy million, eighty-six thousand, five hundred sixty-one".