268149067 has 4 divisors (see below), whose sum is σ = 270752560. Its totient is φ = 265545576.

The previous prime is 268148999. The next prime is 268149083. The reversal of 268149067 is 760941862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268149067 - 2²⁷ = 133931339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268149097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301592 + ... + 1301797.

It is an arithmetic number, because the mean of its divisors is an integer number (67688140).

Almost surely, 2^268149067 is an apocalyptic number.

268149067 is a deficient number, since it is larger than the sum of its proper divisors (2603493).

268149067 is a wasteful number, since it uses less digits than its factorization.

268149067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603492.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 268149067 is about 16375.2577689635. The cubic root of 268149067 is about 644.8500879490.

The spelling of 268149067 in words is "two hundred sixty-eight million, one hundred forty-nine thousand, sixty-seven".