267120164540 has 24 divisors (see below), whose sum is σ = 561075526032. Its totient is φ = 106824602880.

The previous prime is 267120164533. The next prime is 267120164561. The reversal of 267120164540 is 45461021762.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 267120164494 and 267120164503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372934 + ... + 1555373.

It is an arithmetic number, because the mean of its divisors is an integer number (23378146918).

Almost surely, 2^267120164540 is an apocalyptic number.

267120164540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

267120164540 is an abundant number, since it is smaller than the sum of its proper divisors (293955361492).

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

267120164540 is a wasteful number, since it uses less digits than its factorization.

267120164540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932877 (or 2932875 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 267120164540 in words is "two hundred sixty-seven billion, one hundred twenty million, one hundred sixty-four thousand, five hundred forty".