267161140 has 12 divisors (see below), whose sum is σ = 561038436. Its totient is φ = 106864448.

The previous prime is 267161119. The next prime is 267161149. The reversal of 267161140 is 41161762.

It can be written as a sum of positive squares in 2 ways, for example, as 31047184 + 236113956 = 5572^2 + 15366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 267161099 and 267161108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267161149) 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, 6679009 + ... + 6679048.

It is an arithmetic number, because the mean of its divisors is an integer number (46753203).

Almost surely, 2^267161140 is an apocalyptic number.

267161140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

267161140 is an abundant number, since it is smaller than the sum of its proper divisors (293877296).

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

267161140 is a wasteful number, since it uses less digits than its factorization.

267161140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13358066 (or 13358064 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 267161140 is about 16345.0646985566. The cubic root of 267161140 is about 644.0571847167.

The spelling of 267161140 in words is "two hundred sixty-seven million, one hundred sixty-one thousand, one hundred forty".