168449071242201 has 4 divisors (see below), whose sum is σ = 224598761656272. Its totient is φ = 112299380828132.

The previous prime is 168449071242181. The next prime is 168449071242241. The reversal of 168449071242201 is 102242170944861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168449071242201 - 2¹⁰ = 168449071241177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168449071242241) 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, 28074845207031 + ... + 28074845207036.

It is an arithmetic number, because the mean of its divisors is an integer number (56149690414068).

Almost surely, 2^{168449071242201} is an apocalyptic number.

It is an amenable number.

168449071242201 is a deficient number, since it is larger than the sum of its proper divisors (56149690414071).

168449071242201 is an equidigital number, since it uses as much as digits as its factorization.

168449071242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56149690414070.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 168449071242201 in words is "one hundred sixty-eight trillion, four hundred forty-nine billion, seventy-one million, two hundred forty-two thousand, two hundred one".