161241602 has 32 divisors (see below), whose sum is σ = 258177024. Its totient is φ = 75398400.

The previous prime is 161241599. The next prime is 161241611. The reversal of 161241602 is 206142161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348023 + ... + 348485.

It is an arithmetic number, because the mean of its divisors is an integer number (8068032).

Almost surely, 2^161241602 is an apocalyptic number.

161241602 is a deficient number, since it is larger than the sum of its proper divisors (96935422).

161241602 is a wasteful number, since it uses less digits than its factorization.

161241602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 161241602 is about 12698.0944239677. The cubic root of 161241602 is about 544.2841675127.

Adding to 161241602 its reverse (206142161), we get a palindrome (367383763).

The spelling of 161241602 in words is "one hundred sixty-one million, two hundred forty-one thousand, six hundred two".