166187877062876 has 24 divisors (see below), whose sum is σ = 301967538479040. Its totient is φ = 79932583684800.

The previous prime is 166187877062869. The next prime is 166187877062897. The reversal of 166187877062876 is 678260778781661.

It is a self number, because there is not a number n which added to its sum of digits gives 166187877062876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643241835 + ... + 2643304706.

It is an arithmetic number, because the mean of its divisors is an integer number (12581980769960).

Almost surely, 2^{166187877062876} is an apocalyptic number.

It is an amenable number.

166187877062876 is a deficient number, since it is larger than the sum of its proper divisors (135779661416164).

166187877062876 is a wasteful number, since it uses less digits than its factorization.

166187877062876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286546845 (or 5286546843 counting only the distinct ones).

The product of its (nonzero) digits is 3186376704, while the sum is 80.

The spelling of 166187877062876 in words is "one hundred sixty-six trillion, one hundred eighty-seven billion, eight hundred seventy-seven million, sixty-two thousand, eight hundred seventy-six".