149664167 has 2 divisors, whose sum is σ = 149664168. Its totient is φ = 149664166.

The previous prime is 149664161. The next prime is 149664169. The reversal of 149664167 is 761466941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149664167 - 2²⁴ = 132886951 is a prime.

Together with 149664169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149664161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74832083 + 74832084.

It is an arithmetic number, because the mean of its divisors is an integer number (74832084).

Almost surely, 2^149664167 is an apocalyptic number.

149664167 is a deficient number, since it is larger than the sum of its proper divisors (1).

149664167 is an equidigital number, since it uses as much as digits as its factorization.

149664167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 149664167 is about 12233.7307065343. The cubic root of 149664167 is about 530.9324596115.

The spelling of 149664167 in words is "one hundred forty-nine million, six hundred sixty-four thousand, one hundred sixty-seven".