167806398856 has 64 divisors (see below), whose sum is σ = 324223099200. Its totient is φ = 81375840000.

The previous prime is 167806398853. The next prime is 167806398883. The reversal of 167806398856 is 658893608761.

It is a junction number, because it is equal to n+sod(n) for n = 167806398791 and 167806398800.

It is not an unprimeable number, because it can be changed into a prime (167806398853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51615231 + ... + 51618481.

It is an arithmetic number, because the mean of its divisors is an integer number (5065985925).

Almost surely, 2^167806398856 is an apocalyptic number.

It is an amenable number.

167806398856 is a deficient number, since it is larger than the sum of its proper divisors (156416700344).

167806398856 is a wasteful number, since it uses less digits than its factorization.

167806398856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 167806398856 in words is "one hundred sixty-seven billion, eight hundred six million, three hundred ninety-eight thousand, eight hundred fifty-six".