161452246205107 has 16 divisors (see below), whose sum is σ = 189678607076448. Its totient is φ = 135484085479680.

The previous prime is 161452246205051. The next prime is 161452246205113. The reversal of 161452246205107 is 701502642254161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161452246205107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161452246205177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75660463 + ... + 77765095.

It is an arithmetic number, because the mean of its divisors is an integer number (11854912942278).

Almost surely, 2^{161452246205107} is an apocalyptic number.

161452246205107 is a deficient number, since it is larger than the sum of its proper divisors (28226360871341).

161452246205107 is a wasteful number, since it uses less digits than its factorization.

161452246205107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641110.

The product of its (nonzero) digits is 806400, while the sum is 46.

Adding to 161452246205107 its reverse (701502642254161), we get a palindrome (862954888459268).

The spelling of 161452246205107 in words is "one hundred sixty-one trillion, four hundred fifty-two billion, two hundred forty-six million, two hundred five thousand, one hundred seven".