161066533122 has 24 divisors (see below), whose sum is σ = 380702715120. Its totient is φ = 48808040280.

The previous prime is 161066533097. The next prime is 161066533129. The reversal of 161066533122 is 221335660161.

161066533122 is a `hidden beast` number, since 1 + 6 + 106 + 6 + 533 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (161066533129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406733472 + ... + 406733867.

It is an arithmetic number, because the mean of its divisors is an integer number (15862613130).

Almost surely, 2^161066533122 is an apocalyptic number.

161066533122 is an abundant number, since it is smaller than the sum of its proper divisors (219636181998).

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

161066533122 is a wasteful number, since it uses less digits than its factorization.

161066533122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813467358 (or 813467355 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 161066533122 in words is "one hundred sixty-one billion, sixty-six million, five hundred thirty-three thousand, one hundred twenty-two".