167221713 has 8 divisors (see below), whose sum is σ = 223036128. Its totient is φ = 111444224.

The previous prime is 167221699. The next prime is 167221721. The reversal of 167221713 is 317122761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167221713 - 2¹⁶ = 167156177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167221783) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (27879516).

Almost surely, 2^167221713 is an apocalyptic number.

It is an amenable number.

167221713 is a deficient number, since it is larger than the sum of its proper divisors (55814415).

167221713 is a wasteful number, since it uses less digits than its factorization.

167221713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18463.

The product of its digits is 3528, while the sum is 30.

The square root of 167221713 is about 12931.4234715286. The cubic root of 167221713 is about 550.9314387745.

The spelling of 167221713 in words is "one hundred sixty-seven million, two hundred twenty-one thousand, seven hundred thirteen".