167421948672 has 72 divisors (see below), whose sum is σ = 486094432320. Its totient is φ = 50733921280.

The previous prime is 167421948643. The next prime is 167421948679. The reversal of 167421948672 is 276849124761.

167421948672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (167421948679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9900522 + ... + 9917417.

It is an arithmetic number, because the mean of its divisors is an integer number (6751311560).

Almost surely, 2^167421948672 is an apocalyptic number.

167421948672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

167421948672 is an abundant number, since it is smaller than the sum of its proper divisors (318672483648).

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

167421948672 is a wasteful number, since it uses less digits than its factorization.

167421948672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817969 (or 19817955 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 167421948672 in words is "one hundred sixty-seven billion, four hundred twenty-one million, nine hundred forty-eight thousand, six hundred seventy-two".