161417622 has 8 divisors (see below), whose sum is σ = 322835256. Its totient is φ = 53805872.

The previous prime is 161417617. The next prime is 161417671. The reversal of 161417622 is 226714161.

161417622 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.

161417622 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 161417622.

It is a congruent number.

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, 13451463 + ... + 13451474.

It is an arithmetic number, because the mean of its divisors is an integer number (40354407).

Almost surely, 2^161417622 is an apocalyptic number.

161417622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161417622 is a wasteful number, since it uses less digits than its factorization.

161417622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26902942.

The product of its digits is 4032, while the sum is 30.

The square root of 161417622 is about 12705.0234946654. The cubic root of 161417622 is about 544.4821521047.

The spelling of 161417622 in words is "one hundred sixty-one million, four hundred seventeen thousand, six hundred twenty-two".