167120989 has 16 divisors (see below), whose sum is σ = 193167360. Its totient is φ = 141629040.

The previous prime is 167120977. The next prime is 167121001. The reversal of 167120989 is 989021761.

167120989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (167120977) and next prime (167121001).

It is not a de Polignac number, because 167120989 - 2¹⁵ = 167088221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167120959) 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, 319282 + ... + 319804.

It is an arithmetic number, because the mean of its divisors is an integer number (12072960).

Almost surely, 2^167120989 is an apocalyptic number.

It is an amenable number.

167120989 is a deficient number, since it is larger than the sum of its proper divisors (26046371).

167120989 is a wasteful number, since it uses less digits than its factorization.

167120989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 167120989 is about 12927.5283407154. The cubic root of 167120989 is about 550.8208009022.

The spelling of 167120989 in words is "one hundred sixty-seven million, one hundred twenty thousand, nine hundred eighty-nine".