167188671666 has 48 divisors (see below), whose sum is σ = 363459376800. Its totient is φ = 55542420864.

The previous prime is 167188671659. The next prime is 167188671677. The reversal of 167188671666 is 666176881761.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25103845 + ... + 25110503.

It is an arithmetic number, because the mean of its divisors is an integer number (7572070350).

Almost surely, 2^167188671666 is an apocalyptic number.

167188671666 is an abundant number, since it is smaller than the sum of its proper divisors (196270705134).

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

167188671666 is a wasteful number, since it uses less digits than its factorization.

167188671666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143 (or 11140 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 167188671666 in words is "one hundred sixty-seven billion, one hundred eighty-eight million, six hundred seventy-one thousand, six hundred sixty-six".