161006106 has 16 divisors (see below), whose sum is σ = 323433504. Its totient is φ = 53431824.

The previous prime is 161006089. The next prime is 161006107. The reversal of 161006106 is 601600161.

It is not an unprimeable number, because it can be changed into a prime (161006107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57745 + ... + 60468.

It is an arithmetic number, because the mean of its divisors is an integer number (20214594).

Almost surely, 2^161006106 is an apocalyptic number.

161006106 is an abundant number, since it is smaller than the sum of its proper divisors (162427398).

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

161006106 is a wasteful number, since it uses less digits than its factorization.

161006106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118445.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 161006106 is about 12688.8181482753. The cubic root of 161006106 is about 544.0190597597.

Adding to 161006106 its reverse (601600161), we get a palindrome (762606267).

The spelling of 161006106 in words is "one hundred sixty-one million, six thousand, one hundred six".