12161625638167 has 8 divisors (see below), whose sum is σ = 12574618099712. Its totient is φ = 11749925799000.

The previous prime is 12161625638059. The next prime is 12161625638171. The reversal of 12161625638167 is 76183652616121.

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 12161625638167 - 2²³ = 12161617249559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161625738167) 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, 323136459 + ... + 323174092.

It is an arithmetic number, because the mean of its divisors is an integer number (1571827262464).

Almost surely, 2^{12161625638167} is an apocalyptic number.

12161625638167 is a deficient number, since it is larger than the sum of its proper divisors (412992461545).

12161625638167 is an equidigital number, since it uses as much as digits as its factorization.

12161625638167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646311189.

The product of its digits is 4354560, while the sum is 55.

The spelling of 12161625638167 in words is "twelve trillion, one hundred sixty-one billion, six hundred twenty-five million, six hundred thirty-eight thousand, one hundred sixty-seven".