162410645549 has 2 divisors, whose sum is σ = 162410645550. Its totient is φ = 162410645548.

The previous prime is 162410645513. The next prime is 162410645599. The reversal of 162410645549 is 945546014261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153834959524 + 8575686025 = 392218^2 + 92605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162410645549 is a prime.

It is a super-2 number, since 2×162410645549² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162410645599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81205322774 + 81205322775.

It is an arithmetic number, because the mean of its divisors is an integer number (81205322775).

Almost surely, 2^162410645549 is an apocalyptic number.

It is an amenable number.

162410645549 is a deficient number, since it is larger than the sum of its proper divisors (1).

162410645549 is an equidigital number, since it uses as much as digits as its factorization.

162410645549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 162410645549 in words is "one hundred sixty-two billion, four hundred ten million, six hundred forty-five thousand, five hundred forty-nine".