162455462531 has 2 divisors, whose sum is σ = 162455462532. Its totient is φ = 162455462530.

The previous prime is 162455462513. The next prime is 162455462573. The reversal of 162455462531 is 135264554261.

Together with previous prime (162455462513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (135264554261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162455462531 is a prime.

It is a super-2 number, since 2×162455462531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162455462501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81227731265 + 81227731266.

It is an arithmetic number, because the mean of its divisors is an integer number (81227731266).

Almost surely, 2^162455462531 is an apocalyptic number.

162455462531 is a deficient number, since it is larger than the sum of its proper divisors (1).

162455462531 is an equidigital number, since it uses as much as digits as its factorization.

162455462531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The spelling of 162455462531 in words is "one hundred sixty-two billion, four hundred fifty-five million, four hundred sixty-two thousand, five hundred thirty-one".