162451747154197 has 2 divisors, whose sum is σ = 162451747154198. Its totient is φ = 162451747154196.

The previous prime is 162451747154153. The next prime is 162451747154227. The reversal of 162451747154197 is 791451747154261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140023699251921 + 22428047902276 = 11833161^2 + 4735826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162451747154197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162451747154117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81225873577098 + 81225873577099.

It is an arithmetic number, because the mean of its divisors is an integer number (81225873577099).

Almost surely, 2^{162451747154197} is an apocalyptic number.

It is an amenable number.

162451747154197 is a deficient number, since it is larger than the sum of its proper divisors (1).

162451747154197 is an equidigital number, since it uses as much as digits as its factorization.

162451747154197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 64.

Adding to 162451747154197 its sum of digits (64), we get a palindrome (162451747154261).

The spelling of 162451747154197 in words is "one hundred sixty-two trillion, four hundred fifty-one billion, seven hundred forty-seven million, one hundred fifty-four thousand, one hundred ninety-seven".