193160043081 has 6 divisors (see below), whose sum is σ = 279008951130. Its totient is φ = 128773362048.

The previous prime is 193160043073. The next prime is 193160043091. The reversal of 193160043081 is 180340061391.

193160043081 is a `hidden beast` number, since 1 + 9 + 3 + 1 + 600 + 43 + 0 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145382826681 + 47777216400 = 381291^2 + 218580^2 .

It is not a de Polignac number, because 193160043081 - 2³ = 193160043073 is a prime.

It is a super-2 number, since 2×193160043081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193160043091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10731113496 + ... + 10731113513.

It is an arithmetic number, because the mean of its divisors is an integer number (46501491855).

Almost surely, 2^193160043081 is an apocalyptic number.

It is an amenable number.

193160043081 is a deficient number, since it is larger than the sum of its proper divisors (85848908049).

193160043081 is a wasteful number, since it uses less digits than its factorization.

193160043081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21462227015 (or 21462227012 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 193160043081 in words is "one hundred ninety-three billion, one hundred sixty million, forty-three thousand, eighty-one".