168540058132993 has 8 divisors (see below), whose sum is σ = 178406476934400. Its totient is φ = 158943952175568.

The previous prime is 168540058132991. The next prime is 168540058133089. The reversal of 168540058132993 is 399231850045861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168540058132993 - 2¹ = 168540058132991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168540058132991) 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, 67578209713 + ... + 67578212206.

It is an arithmetic number, because the mean of its divisors is an integer number (22300809616800).

Almost surely, 2^{168540058132993} is an apocalyptic number.

It is an amenable number.

168540058132993 is a deficient number, since it is larger than the sum of its proper divisors (9866418801407).

168540058132993 is a wasteful number, since it uses less digits than its factorization.

168540058132993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135156421991.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 168540058132993 in words is "one hundred sixty-eight trillion, five hundred forty billion, fifty-eight million, one hundred thirty-two thousand, nine hundred ninety-three".