168671379393 has 48 divisors (see below), whose sum is σ = 269591187840. Its totient is φ = 100762963200.

The previous prime is 168671379367. The next prime is 168671379419. The reversal of 168671379393 is 393973176861.

168671379393 is a `hidden beast` number, since 168 + 6 + 7 + 13 + 79 + 393 = 666.

It is an interprime number because it is at equal distance from previous prime (168671379367) and next prime (168671379419).

It is not a de Polignac number, because 168671379393 - 2¹⁴ = 168671363009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168671379393.

It is not an unprimeable number, because it can be changed into a prime (168671379343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13573323 + ... + 13585743.

It is an arithmetic number, because the mean of its divisors is an integer number (5616483080).

Almost surely, 2^168671379393 is an apocalyptic number.

It is an amenable number.

168671379393 is a deficient number, since it is larger than the sum of its proper divisors (100919808447).

168671379393 is a wasteful number, since it uses less digits than its factorization.

168671379393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14390 (or 14387 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 168671379393 in words is "one hundred sixty-eight billion, six hundred seventy-one million, three hundred seventy-nine thousand, three hundred ninety-three".