161344622 has 8 divisors (see below), whose sum is σ = 242203296. Its totient is φ = 80610192.

The previous prime is 161344607. The next prime is 161344639. The reversal of 161344622 is 226443161.

161344622 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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27743 + ... + 33050.

It is an arithmetic number, because the mean of its divisors is an integer number (30275412).

Almost surely, 2^161344622 is an apocalyptic number.

161344622 is a deficient number, since it is larger than the sum of its proper divisors (80858674).

161344622 is a wasteful number, since it uses less digits than its factorization.

161344622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62122.

The product of its digits is 6912, while the sum is 29.

The square root of 161344622 is about 12702.1502904036. The cubic root of 161344622 is about 544.4000603027.

Adding to 161344622 its reverse (226443161), we get a palindrome (387787783).

The spelling of 161344622 in words is "one hundred sixty-one million, three hundred forty-four thousand, six hundred twenty-two".