58544521666 has 16 divisors (see below), whose sum is σ = 92992253760. Its totient is φ = 27565554960.

The previous prime is 58544521649. The next prime is 58544521669. The reversal of 58544521666 is 66612544585.

It is a super-2 number, since 2×58544521666² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58544521669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606365 + ... + 4619056.

It is an arithmetic number, because the mean of its divisors is an integer number (5812015860).

Almost surely, 2^58544521666 is an apocalyptic number.

58544521666 is a deficient number, since it is larger than the sum of its proper divisors (34447732094).

58544521666 is a wasteful number, since it uses less digits than its factorization.

58544521666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225609.

The product of its digits is 6912000, while the sum is 52.

The spelling of 58544521666 in words is "fifty-eight billion, five hundred forty-four million, five hundred twenty-one thousand, six hundred sixty-six".