267220651267161 has 16 divisors (see below), whose sum is σ = 409533565161600. Its totient is φ = 172004097366864.

The previous prime is 267220651267139. The next prime is 267220651267217. The reversal of 267220651267161 is 161762156022762.

267220651267161 is a `hidden beast` number, since 2 + 6 + 7 + 2 + 2 + 0 + 6 + 512 + 67 + 1 + 61 = 666.

It is not a de Polignac number, because 267220651267161 - 2⁹ = 267220651266649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 267220651267098 and 267220651267107.

It is not an unprimeable number, because it can be changed into a prime (267220651267111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170638984701 + ... + 170638986266.

It is an arithmetic number, because the mean of its divisors is an integer number (25595847822600).

Almost surely, 2^{267220651267161} is an apocalyptic number.

It is an amenable number.

267220651267161 is a deficient number, since it is larger than the sum of its proper divisors (142312913894439).

267220651267161 is a wasteful number, since it uses less digits than its factorization.

267220651267161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341277971005 (or 341277970999 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 267220651267161 in words is "two hundred sixty-seven trillion, two hundred twenty billion, six hundred fifty-one million, two hundred sixty-seven thousand, one hundred sixty-one".