167216803091 has 12 divisors (see below), whose sum is σ = 181092375792. Its totient is φ = 154334115936.

The previous prime is 167216803081. The next prime is 167216803093. The reversal of 167216803091 is 190308612761.

It is a de Polignac number, because none of the positive numbers 2^k-167216803091 is a prime.

It is a super-2 number, since 2×167216803091² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167216803093) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1346090 + ... + 1465056.

It is an arithmetic number, because the mean of its divisors is an integer number (15091031316).

Almost surely, 2^167216803091 is an apocalyptic number.

167216803091 is a deficient number, since it is larger than the sum of its proper divisors (13875572701).

167216803091 is a wasteful number, since it uses less digits than its factorization.

167216803091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127310 (or 127297 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 167216803091 in words is "one hundred sixty-seven billion, two hundred sixteen million, eight hundred three thousand, ninety-one".