161042622 has 16 divisors (see below), whose sum is σ = 346861200. Its totient is φ = 49551552.

The previous prime is 161042591. The next prime is 161042639. The reversal of 161042622 is 226240161.

161042622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161042622² = 51869452201269768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161042592 and 161042601.

It is a congruent number.

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, 1032247 + ... + 1032402.

It is an arithmetic number, because the mean of its divisors is an integer number (21678825).

Almost surely, 2^161042622 is an apocalyptic number.

161042622 is an abundant number, since it is smaller than the sum of its proper divisors (185818578).

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

161042622 is a wasteful number, since it uses less digits than its factorization.

161042622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064667.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 161042622 is about 12690.2569713934. The cubic root of 161042622 is about 544.0601842836.

Adding to 161042622 its reverse (226240161), we get a palindrome (387282783).

The spelling of 161042622 in words is "one hundred sixty-one million, forty-two thousand, six hundred twenty-two".