167216329 has 4 divisors (see below), whose sum is σ = 191104384. Its totient is φ = 143328276.

The previous prime is 167216323. The next prime is 167216381. The reversal of 167216329 is 923612761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 167216329 - 2¹⁹ = 166692041 is a prime.

It is a super-2 number, since 2×167216329² = 55922601368472482, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 167216329 parts by 18287 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167216323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11944017 + ... + 11944030.

It is an arithmetic number, because the mean of its divisors is an integer number (47776096).

Almost surely, 2^167216329 is an apocalyptic number.

It is an amenable number.

167216329 is a deficient number, since it is larger than the sum of its proper divisors (23888055).

167216329 is an equidigital number, since it uses as much as digits as its factorization.

167216329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23888054.

The product of its digits is 27216, while the sum is 37.

The square root of 167216329 is about 12931.2152947818. The cubic root of 167216329 is about 550.9255259724.

The spelling of 167216329 in words is "one hundred sixty-seven million, two hundred sixteen thousand, three hundred twenty-nine".