168118575945 has 8 divisors (see below), whose sum is σ = 268989721536. Its totient is φ = 89663240496.

The previous prime is 168118575929. The next prime is 168118575953. The reversal of 168118575945 is 549575811861.

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

It is not a de Polignac number, because 168118575945 - 2⁴ = 168118575929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603952517 + ... + 5603952546.

It is an arithmetic number, because the mean of its divisors is an integer number (33623715192).

Almost surely, 2^168118575945 is an apocalyptic number.

168118575945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168118575945 is a deficient number, since it is larger than the sum of its proper divisors (100871145591).

168118575945 is a wasteful number, since it uses less digits than its factorization.

168118575945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207905071.

The product of its digits is 12096000, while the sum is 60.

The spelling of 168118575945 in words is "one hundred sixty-eight billion, one hundred eighteen million, five hundred seventy-five thousand, nine hundred forty-five".