161708122 has 8 divisors (see below), whose sum is σ = 248203296. Its totient is φ = 78973692.

The previous prime is 161708119. The next prime is 161708161. The reversal of 161708122 is 221807161.

161708122 is digitally balanced in base 2, 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 2×161708122² = 52299033441533768, which contains 22 as substring.

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, 940078 + ... + 940249.

It is an arithmetic number, because the mean of its divisors is an integer number (31025412).

Almost surely, 2^161708122 is an apocalyptic number.

161708122 is a deficient number, since it is larger than the sum of its proper divisors (86495174).

161708122 is a wasteful number, since it uses less digits than its factorization.

161708122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880372.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 161708122 is about 12716.4508413315. The cubic root of 161708122 is about 544.8085874956.

The spelling of 161708122 in words is "one hundred sixty-one million, seven hundred eight thousand, one hundred twenty-two".