161173102 has 16 divisors (see below), whose sum is σ = 247542192. Its totient is φ = 78678720.

The previous prime is 161173087. The next prime is 161173109. The reversal of 161173102 is 201371161.

161173102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161173109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11893 + ... + 21535.

It is an arithmetic number, because the mean of its divisors is an integer number (15471387).

Almost surely, 2^161173102 is an apocalyptic number.

161173102 is a deficient number, since it is larger than the sum of its proper divisors (86369090).

161173102 is a wasteful number, since it uses less digits than its factorization.

161173102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 161173102 is about 12695.3968823350. The cubic root of 161173102 is about 544.2070808181.

The spelling of 161173102 in words is "one hundred sixty-one million, one hundred seventy-three thousand, one hundred two".