161230455606 has 16 divisors (see below), whose sum is σ = 351775539648. Its totient is φ = 48857713800.

The previous prime is 161230455593. The next prime is 161230455613. The reversal of 161230455606 is 606554032161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221442780 + ... + 1221442911.

It is an arithmetic number, because the mean of its divisors is an integer number (21985971228).

Almost surely, 2^161230455606 is an apocalyptic number.

161230455606 is an abundant number, since it is smaller than the sum of its proper divisors (190545084042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161230455606 is a wasteful number, since it uses less digits than its factorization.

161230455606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442885707.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 161230455606 its reverse (606554032161), we get a palindrome (767784487767).

The spelling of 161230455606 in words is "one hundred sixty-one billion, two hundred thirty million, four hundred fifty-five thousand, six hundred six".