267870620161 has 8 divisors (see below), whose sum is σ = 270915321600. Its totient is φ = 264826694880.

The previous prime is 267870620141. The next prime is 267870620179. The reversal of 267870620161 is 161026078762.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 267870620161 - 2¹⁵ = 267870587393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (267870620141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514756 + ... + 894826.

It is an arithmetic number, because the mean of its divisors is an integer number (33864415200).

Almost surely, 2^267870620161 is an apocalyptic number.

It is an amenable number.

267870620161 is a deficient number, since it is larger than the sum of its proper divisors (3044701439).

267870620161 is an equidigital number, since it uses as much as digits as its factorization.

267870620161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388079.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 267870620161 in words is "two hundred sixty-seven billion, eight hundred seventy million, six hundred twenty thousand, one hundred sixty-one".