161287276627852 has 48 divisors (see below), whose sum is σ = 292333492281600. Its totient is φ = 77781191546880.

The previous prime is 161287276627849. The next prime is 161287276627859. The reversal of 161287276627852 is 258726672782161.

161287276627852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161287276627859) 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, 54810228 + ... + 57677860.

It is an arithmetic number, because the mean of its divisors is an integer number (6090281089200).

Almost surely, 2^{161287276627852} is an apocalyptic number.

It is an amenable number.

161287276627852 is a deficient number, since it is larger than the sum of its proper divisors (131046215653748).

161287276627852 is a wasteful number, since it uses less digits than its factorization.

161287276627852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869186 (or 2869184 counting only the distinct ones).

The product of its digits is 379330560, while the sum is 70.

The spelling of 161287276627852 in words is "one hundred sixty-one trillion, two hundred eighty-seven billion, two hundred seventy-six million, six hundred twenty-seven thousand, eight hundred fifty-two".