161606110 has 8 divisors (see below), whose sum is σ = 290891016. Its totient is φ = 64642440.

The previous prime is 161606087. The next prime is 161606117. The reversal of 161606110 is 11606161.

161606110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×161606110² = 52233069578664200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161606117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8080296 + ... + 8080315.

It is an arithmetic number, because the mean of its divisors is an integer number (36361377).

Almost surely, 2^161606110 is an apocalyptic number.

161606110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161606110 is a deficient number, since it is larger than the sum of its proper divisors (129284906).

161606110 is a wasteful number, since it uses less digits than its factorization.

161606110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160618.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 161606110 is about 12712.4391837287. The cubic root of 161606110 is about 544.6940009929.

The spelling of 161606110 in words is "one hundred sixty-one million, six hundred six thousand, one hundred ten".