162630497 has 2 divisors, whose sum is σ = 162630498. Its totient is φ = 162630496.

The previous prime is 162630451. The next prime is 162630527. The reversal of 162630497 is 794036261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157653136 + 4977361 = 12556^2 + 2231^2 .

It is an emirp because it is prime and its reverse (794036261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162630497 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162630497.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81315248 + 81315249.

It is an arithmetic number, because the mean of its divisors is an integer number (81315249).

Almost surely, 2^162630497 is an apocalyptic number.

It is an amenable number.

162630497 is a deficient number, since it is larger than the sum of its proper divisors (1).

162630497 is an equidigital number, since it uses as much as digits as its factorization.

162630497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 162630497 is about 12752.6662702354. Note that the first 3 decimals coincide. The cubic root of 162630497 is about 545.8424778272.

It can be divided in two parts, 1626 and 30497, that added together give a palindrome (32123).

The spelling of 162630497 in words is "one hundred sixty-two million, six hundred thirty thousand, four hundred ninety-seven".