162231747132261 has 8 divisors (see below), whose sum is σ = 219537488656864. Its totient is φ = 106540251847920.

The previous prime is 162231747132253. The next prime is 162231747132263.

162231747132261 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 162231747132261 - 2³ = 162231747132253 is a prime.

It is a super-4 number, since 4×162231747132261⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 162231747132261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162231747132263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403561559830 + ... + 403561560231.

It is an arithmetic number, because the mean of its divisors is an integer number (27442186082108).

Almost surely, 2^{162231747132261} is an apocalyptic number.

It is an amenable number.

162231747132261 is a deficient number, since it is larger than the sum of its proper divisors (57305741524603).

162231747132261 is an equidigital number, since it uses as much as digits as its factorization.

162231747132261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807123120131.

The product of its digits is 1016064, while the sum is 48.

The spelling of 162231747132261 in words is "one hundred sixty-two trillion, two hundred thirty-one billion, seven hundred forty-seven million, one hundred thirty-two thousand, two hundred sixty-one".