167861168834164 has 48 divisors (see below), whose sum is σ = 318398539737600. Its totient is φ = 76975031270016.

The previous prime is 167861168834159. The next prime is 167861168834171. The reversal of 167861168834164 is 461438861168761.

It is a super-2 number, since 2×167861168834164² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 167861168834093 and 167861168834102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9010582 + ... + 20418445.

It is an arithmetic number, because the mean of its divisors is an integer number (6633302911200).

Almost surely, 2^{167861168834164} is an apocalyptic number.

It is an amenable number.

167861168834164 is a deficient number, since it is larger than the sum of its proper divisors (150537370903436).

167861168834164 is a wasteful number, since it uses less digits than its factorization.

167861168834164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29429752 (or 29429750 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 70.

The spelling of 167861168834164 in words is "one hundred sixty-seven trillion, eight hundred sixty-one billion, one hundred sixty-eight million, eight hundred thirty-four thousand, one hundred sixty-four".