167153981538 has 16 divisors (see below), whose sum is σ = 334949635296. Its totient is φ = 55611048480.

The previous prime is 167153981521. The next prime is 167153981569. The reversal of 167153981538 is 835189351761.

It is a happy number.

167153981538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26732956 + ... + 26739207.

It is an arithmetic number, because the mean of its divisors is an integer number (20934352206).

Almost surely, 2^167153981538 is an apocalyptic number.

167153981538 is an abundant number, since it is smaller than the sum of its proper divisors (167795653758).

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

167153981538 is a wasteful number, since it uses less digits than its factorization.

167153981538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53472689.

The product of its digits is 5443200, while the sum is 57.

The spelling of 167153981538 in words is "one hundred sixty-seven billion, one hundred fifty-three million, nine hundred eighty-one thousand, five hundred thirty-eight".