2567437487161 has 8 divisors (see below), whose sum is σ = 2568148917120. Its totient is φ = 2566726170192.

The previous prime is 2567437487141. The next prime is 2567437487207. The reversal of 2567437487161 is 1617847347652.

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 2567437487161 - 2¹⁷ = 2567437356089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2567437487161.

It is not an unprimeable number, because it can be changed into a prime (2567437487141) 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, 63384231 + ... + 63424723.

It is an arithmetic number, because the mean of its divisors is an integer number (321018614640).

Almost surely, 2^{2567437487161} is an apocalyptic number.

It is an amenable number.

2567437487161 is a deficient number, since it is larger than the sum of its proper divisors (711429959).

2567437487161 is an equidigital number, since it uses as much as digits as its factorization.

2567437487161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56495.

The product of its digits is 47416320, while the sum is 61.

The spelling of 2567437487161 in words is "two trillion, five hundred sixty-seven billion, four hundred thirty-seven million, four hundred eighty-seven thousand, one hundred sixty-one".