167364561 has 32 divisors (see below), whose sum is σ = 276369408. Its totient is φ = 87727680.

The previous prime is 167364551. The next prime is 167364563. The reversal of 167364561 is 165463761.

It is not a de Polignac number, because 167364561 - 2⁵ = 167364529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (167364563) 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 31 ways as a sum of consecutive naturals, for example, 43756 + ... + 47426.

It is an arithmetic number, because the mean of its divisors is an integer number (8636544).

Almost surely, 2^167364561 is an apocalyptic number.

It is an amenable number.

167364561 is a deficient number, since it is larger than the sum of its proper divisors (109004847).

167364561 is a wasteful number, since it uses less digits than its factorization.

167364561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861.

The product of its digits is 90720, while the sum is 39.

The square root of 167364561 is about 12936.9455823235. The cubic root of 167364561 is about 551.0882705916.

The spelling of 167364561 in words is "one hundred sixty-seven million, three hundred sixty-four thousand, five hundred sixty-one".