162432545234261 has 4 divisors (see below), whose sum is σ = 170981626562400. Its totient is φ = 153883463906124.

The previous prime is 162432545234251. The next prime is 162432545234303.

162432545234261 is nontrivially palindromic in base 10.

162432545234261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162432545234261 is a prime.

It is a super-2 number, since 2×162432545234261² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162432545234231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274540664041 + ... + 4274540664078.

It is an arithmetic number, because the mean of its divisors is an integer number (42745406640600).

Almost surely, 2^{162432545234261} is an apocalyptic number.

It is an amenable number.

162432545234261 is a deficient number, since it is larger than the sum of its proper divisors (8549081328139).

162432545234261 is an equidigital number, since it uses as much as digits as its factorization.

162432545234261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549081328138.

The product of its digits is 8294400, while the sum is 50.

The spelling of 162432545234261 in words is "one hundred sixty-two trillion, four hundred thirty-two billion, five hundred forty-five million, two hundred thirty-four thousand, two hundred sixty-one".