58166381943 has 24 divisors (see below), whose sum is σ = 88985441376. Its totient is φ = 36486259200.

The previous prime is 58166381893. The next prime is 58166381957. The reversal of 58166381943 is 34918366185.

58166381943 is a `hidden beast` number, since 581 + 6 + 6 + 3 + 8 + 19 + 43 = 666.

It is not a de Polignac number, because 58166381943 - 2¹⁷ = 58166250871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58166381943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58166381983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509883 + ... + 613443.

It is an arithmetic number, because the mean of its divisors is an integer number (3707726724).

Almost surely, 2^58166381943 is an apocalyptic number.

58166381943 is a deficient number, since it is larger than the sum of its proper divisors (30819059433).

58166381943 is a wasteful number, since it uses less digits than its factorization.

58166381943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107255 (or 107252 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 58166381943 in words is "fifty-eight billion, one hundred sixty-six million, three hundred eighty-one thousand, nine hundred forty-three".