161776106 has 16 divisors (see below), whose sum is σ = 245022624. Its totient is φ = 80105904.

The previous prime is 161776093. The next prime is 161776151. The reversal of 161776106 is 601677161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105461 + ... + 106983.

It is an arithmetic number, because the mean of its divisors is an integer number (15313914).

Almost surely, 2^161776106 is an apocalyptic number.

161776106 is a deficient number, since it is larger than the sum of its proper divisors (83246518).

161776106 is a wasteful number, since it uses less digits than its factorization.

161776106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 161776106 is about 12719.1236333326. The cubic root of 161776106 is about 544.8849247823.

The spelling of 161776106 in words is "one hundred sixty-one million, seven hundred seventy-six thousand, one hundred six".