161280016 has 20 divisors (see below), whose sum is σ = 313676352. Its totient is φ = 80331296.

The previous prime is 161280013. The next prime is 161280017. The reversal of 161280016 is 610082161.

It is a super-3 number, since 3×161280016³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (161280013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14956 + ... + 23371.

Almost surely, 2^161280016 is an apocalyptic number.

161280016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161280016 is a deficient number, since it is larger than the sum of its proper divisors (152396336).

161280016 is a wasteful number, since it uses less digits than its factorization.

161280016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38598 (or 38592 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 161280016 is about 12699.6069230508. The cubic root of 161280016 is about 544.3273872765.

The spelling of 161280016 in words is "one hundred sixty-one million, two hundred eighty thousand, sixteen".