58018451865816 has 32 divisors (see below), whose sum is σ = 156203524254960. Its totient is φ = 17851831343232.

The previous prime is 58018451865749. The next prime is 58018451865817. The reversal of 58018451865816 is 61856815481085.

It is a super-2 number, since 2×58018451865816² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58018451865817) 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, 92978287935 + ... + 92978288558.

Almost surely, 2^{58018451865816} is an apocalyptic number.

It is an amenable number.

58018451865816 is an abundant number, since it is smaller than the sum of its proper divisors (98185072389144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58018451865816 is a wasteful number, since it uses less digits than its factorization.

58018451865816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185956576515 (or 185956576511 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 66.

The spelling of 58018451865816 in words is "fifty-eight trillion, eighteen billion, four hundred fifty-one million, eight hundred sixty-five thousand, eight hundred sixteen".