161441562 has 32 divisors (see below), whose sum is σ = 327849984. Its totient is φ = 52992000.

The previous prime is 161441561. The next prime is 161441573. The reversal of 161441562 is 265144161.

It is not an unprimeable number, because it can be changed into a prime (161441561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139687 + ... + 140837.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 2^161441562 is an apocalyptic number.

161441562 is an abundant number, since it is smaller than the sum of its proper divisors (166408422).

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

161441562 is a wasteful number, since it uses less digits than its factorization.

161441562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its digits is 5760, while the sum is 30.

The square root of 161441562 is about 12705.9656067534. The cubic root of 161441562 is about 544.5090683282.

The spelling of 161441562 in words is "one hundred sixty-one million, four hundred forty-one thousand, five hundred sixty-two".