342622161 has 18 divisors (see below), whose sum is σ = 575699202. Its totient is φ = 195783840.

The previous prime is 342622129. The next prime is 342622249. The reversal of 342622161 is 161226243.

342622161 is a `hidden beast` number, since 34 + 2 + 622 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 238887936 + 103734225 = 15456^2 + 10185^2 .

It is not a de Polignac number, because 342622161 - 2⁵ = 342622129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342621161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 388020 + ... + 388901.

It is an arithmetic number, because the mean of its divisors is an integer number (31983289).

Almost surely, 2^342622161 is an apocalyptic number.

It is an amenable number.

342622161 is a deficient number, since it is larger than the sum of its proper divisors (233077041).

342622161 is a wasteful number, since it uses less digits than its factorization.

342622161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776941 (or 776931 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 342622161 is about 18510.0556725257. The cubic root of 342622161 is about 699.7428722287.

The spelling of 342622161 in words is "three hundred forty-two million, six hundred twenty-two thousand, one hundred sixty-one".