162420460637 has 2 divisors, whose sum is σ = 162420460638. Its totient is φ = 162420460636.

The previous prime is 162420460613. The next prime is 162420460649. The reversal of 162420460637 is 736064024261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121657254436 + 40763206201 = 348794^2 + 201899^2 .

It is a cyclic number.

It is not a de Polignac number, because 162420460637 - 2¹⁴ = 162420444253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162420460594 and 162420460603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162420460687) 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, 81210230318 + 81210230319.

It is an arithmetic number, because the mean of its divisors is an integer number (81210230319).

Almost surely, 2^162420460637 is an apocalyptic number.

It is an amenable number.

162420460637 is a deficient number, since it is larger than the sum of its proper divisors (1).

162420460637 is an equidigital number, since it uses as much as digits as its factorization.

162420460637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 41.

Adding to 162420460637 its reverse (736064024261), we get a palindrome (898484484898).

The spelling of 162420460637 in words is "one hundred sixty-two billion, four hundred twenty million, four hundred sixty thousand, six hundred thirty-seven".