167121199448 has 16 divisors (see below), whose sum is σ = 358116856080. Its totient is φ = 71623371168.

The previous prime is 167121199429. The next prime is 167121199471. The reversal of 167121199448 is 844991121761.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 167121199448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492153511 + ... + 1492153622.

It is an arithmetic number, because the mean of its divisors is an integer number (22382303505).

Almost surely, 2^167121199448 is an apocalyptic number.

It is an amenable number.

167121199448 is an abundant number, since it is smaller than the sum of its proper divisors (190995656632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167121199448 is a wasteful number, since it uses less digits than its factorization.

167121199448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984307146 (or 2984307142 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The spelling of 167121199448 in words is "one hundred sixty-seven billion, one hundred twenty-one million, one hundred ninety-nine thousand, four hundred forty-eight".