267161268 has 48 divisors (see below), whose sum is σ = 687718080. Its totient is φ = 80044800.

The previous prime is 267161231. The next prime is 267161291. The reversal of 267161268 is 862161762.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 378 + ... + 23118.

It is an arithmetic number, because the mean of its divisors is an integer number (14327460).

Almost surely, 2^267161268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 267161268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343859040).

267161268 is an abundant number, since it is smaller than the sum of its proper divisors (420556812).

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

267161268 is a wasteful number, since it uses less digits than its factorization.

267161268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22848 (or 22846 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 267161268 is about 16345.0686141111. The cubic root of 267161268 is about 644.0572875751.

The spelling of 267161268 in words is "two hundred sixty-seven million, one hundred sixty-one thousand, two hundred sixty-eight".