167121712425463 has 4 divisors (see below), whose sum is σ = 167857931423160. Its totient is φ = 166385493427768.

The previous prime is 167121712425443. The next prime is 167121712425467. The reversal of 167121712425463 is 364524217121761.

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 167121712425463 - 2²⁵ = 167121678871031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167121712425463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167121712425467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368109498508 + ... + 368109498961.

It is an arithmetic number, because the mean of its divisors is an integer number (41964482855790).

Almost surely, 2^{167121712425463} is an apocalyptic number.

167121712425463 is a deficient number, since it is larger than the sum of its proper divisors (736218997697).

167121712425463 is an equidigital number, since it uses as much as digits as its factorization.

167121712425463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736218997696.

The product of its digits is 3386880, while the sum is 52.

The spelling of 167121712425463 in words is "one hundred sixty-seven trillion, one hundred twenty-one billion, seven hundred twelve million, four hundred twenty-five thousand, four hundred sixty-three".