58161812 has 12 divisors (see below), whose sum is σ = 107140320. Its totient is φ = 27550296.

The previous prime is 58161799. The next prime is 58161827. The reversal of 58161812 is 21816185.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382568 + ... + 382719.

It is an arithmetic number, because the mean of its divisors is an integer number (8928360).

Almost surely, 2^58161812 is an apocalyptic number.

It is an amenable number.

58161812 is a deficient number, since it is larger than the sum of its proper divisors (48978508).

58161812 is a wasteful number, since it uses less digits than its factorization.

58161812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765310 (or 765308 counting only the distinct ones).

The product of its digits is 3840, while the sum is 32.

The square root of 58161812 is about 7626.3891849289. The cubic root of 58161812 is about 387.4473035521.

Adding to 58161812 its reverse (21816185), we get a palindrome (79977997).

The spelling of 58161812 in words is "fifty-eight million, one hundred sixty-one thousand, eight hundred twelve".