167986364 has 48 divisors (see below), whose sum is σ = 371625408. Its totient is φ = 64654848.

The previous prime is 167986363. The next prime is 167986369. The reversal of 167986364 is 463689761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167986361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7232 + ... + 19704.

It is an arithmetic number, because the mean of its divisors is an integer number (7742196).

Almost surely, 2^167986364 is an apocalyptic number.

167986364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167986364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185812704).

167986364 is an abundant number, since it is smaller than the sum of its proper divisors (203639044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167986364 is a wasteful number, since it uses less digits than its factorization.

167986364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12534 (or 12532 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 167986364 is about 12960.9553660214. The cubic root of 167986364 is about 551.7699060270.

The spelling of 167986364 in words is "one hundred sixty-seven million, nine hundred eighty-six thousand, three hundred sixty-four".