167790863972 has 12 divisors (see below), whose sum is σ = 293643470316. Its totient is φ = 83892729600.

The previous prime is 167790863963. The next prime is 167790864013. The reversal of 167790863972 is 279368097761.

It can be written as a sum of positive squares in 2 ways, for example, as 127889203456 + 39901660516 = 357616^2 + 199754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 167790863899 and 167790863908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532529 + ... + 786872.

It is an arithmetic number, because the mean of its divisors is an integer number (24470289193).

Almost surely, 2^167790863972 is an apocalyptic number.

It is an amenable number.

167790863972 is a deficient number, since it is larger than the sum of its proper divisors (125852606344).

167790863972 is a wasteful number, since it uses less digits than its factorization.

167790863972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351198 (or 1351196 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 65.

The spelling of 167790863972 in words is "one hundred sixty-seven billion, seven hundred ninety million, eight hundred sixty-three thousand, nine hundred seventy-two".