161433016 has 16 divisors (see below), whose sum is σ = 307205640. Its totient is φ = 79511520.

The previous prime is 161433001. The next prime is 161433017. The reversal of 161433016 is 610334161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161433017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150055 + ... + 151126.

Almost surely, 2^161433016 is an apocalyptic number.

It is an amenable number.

161433016 is a deficient number, since it is larger than the sum of its proper divisors (145772624).

161433016 is a wasteful number, since it uses less digits than its factorization.

161433016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301254 (or 301250 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 161433016 is about 12705.6293035804. The cubic root of 161433016 is about 544.4994601940.

Adding to 161433016 its reverse (610334161), we get a palindrome (771767177).

The spelling of 161433016 in words is "one hundred sixty-one million, four hundred thirty-three thousand, sixteen".