161051066 has 8 divisors (see below), whose sum is σ = 263538144. Its totient is φ = 73205020.

The previous prime is 161051017. The next prime is 161051089. The reversal of 161051066 is 660150161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3660230 + ... + 3660273.

It is an arithmetic number, because the mean of its divisors is an integer number (32942268).

Almost surely, 2^161051066 is an apocalyptic number.

161051066 is a deficient number, since it is larger than the sum of its proper divisors (102487078).

161051066 is a wasteful number, since it uses less digits than its factorization.

161051066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320516.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 161051066 is about 12690.5896632111. The cubic root of 161051066 is about 544.0696930787.

It can be divided in two parts, 16105 and 1066, that added together give a palindrome (17171).

The spelling of 161051066 in words is "one hundred sixty-one million, fifty-one thousand, sixty-six".