168046727724427 has 4 divisors (see below), whose sum is σ = 168136736685976. Its totient is φ = 167956718762880.

The previous prime is 168046727724419. The next prime is 168046727724511. The reversal of 168046727724427 is 724427727640861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168046727724427 - 2³ = 168046727724419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168046737724427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45004477974 + ... + 45004481707.

It is an arithmetic number, because the mean of its divisors is an integer number (42034184171494).

Almost surely, 2^{168046727724427} is an apocalyptic number.

168046727724427 is a deficient number, since it is larger than the sum of its proper divisors (90008961549).

168046727724427 is an equidigital number, since it uses as much as digits as its factorization.

168046727724427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90008961548.

The product of its (nonzero) digits is 354041856, while the sum is 67.

The spelling of 168046727724427 in words is "one hundred sixty-eight trillion, forty-six billion, seven hundred twenty-seven million, seven hundred twenty-four thousand, four hundred twenty-seven".