161024212 has 6 divisors (see below), whose sum is σ = 281792378. Its totient is φ = 80512104.

The previous prime is 161024197. The next prime is 161024231. The reversal of 161024212 is 212420161.

It can be written as a sum of positive squares in only one way, i.e., 159870736 + 1153476 = 12644^2 + 1074^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 161024212.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20128023 + ... + 20128030.

Almost surely, 2^161024212 is an apocalyptic number.

It is an amenable number.

161024212 is a deficient number, since it is larger than the sum of its proper divisors (120768166).

161024212 is a wasteful number, since it uses less digits than its factorization.

161024212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40256057 (or 40256055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 161024212 is about 12689.5315910399. The cubic root of 161024212 is about 544.0394516155.

Adding to 161024212 its reverse (212420161), we get a palindrome (373444373).

The spelling of 161024212 in words is "one hundred sixty-one million, twenty-four thousand, two hundred twelve".