161589962 has 8 divisors (see below), whose sum is σ = 242461956. Its totient is φ = 80769312.

The previous prime is 161589937. The next prime is 161589991. The reversal of 161589962 is 269985161.

It is a happy number.

161589962 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156025081 + 5564881 = 12491^2 + 2359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161589962² = 52222631638322888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653 + ... + 18344.

Almost surely, 2^161589962 is an apocalyptic number.

161589962 is a deficient number, since it is larger than the sum of its proper divisors (80871994).

161589962 is a wasteful number, since it uses less digits than its factorization.

161589962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25672.

The product of its digits is 233280, while the sum is 47.

The square root of 161589962 is about 12711.8040419132. The cubic root of 161589962 is about 544.6758580904.

The spelling of 161589962 in words is "one hundred sixty-one million, five hundred eighty-nine thousand, nine hundred sixty-two".