168149367 has 24 divisors (see below), whose sum is σ = 250053440. Its totient is φ = 108838080.

The previous prime is 168149357. The next prime is 168149369. The reversal of 168149367 is 763941861.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-168149367 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 (168149369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41433 + ... + 45309.

Almost surely, 2^168149367 is an apocalyptic number.

168149367 is a deficient number, since it is larger than the sum of its proper divisors (81904073).

168149367 is a wasteful number, since it uses less digits than its factorization.

168149367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023 (or 4020 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 168149367 is about 12967.2420737796. The cubic root of 168149367 is about 551.9483154980.

The spelling of 168149367 in words is "one hundred sixty-eight million, one hundred forty-nine thousand, three hundred sixty-seven".