16161008 has 20 divisors (see below), whose sum is σ = 32159400. Its totient is φ = 7861824.

The previous prime is 16161007. The next prime is 16161023. The reversal of 16161008 is 80016161.

It is a happy number.

It is a super-2 number, since 2×16161008² = 522356359152128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13058 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (1607970).

Almost surely, 2^16161008 is an apocalyptic number.

It is an amenable number.

16161008 is a deficient number, since it is larger than the sum of its proper divisors (15998392).

16161008 is a wasteful number, since it uses less digits than its factorization.

16161008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27344 (or 27338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 16161008 is about 4020.0756211793. The cubic root of 16161008 is about 252.8266295454.

Adding to 16161008 its reverse (80016161), we get a palindrome (96177169).

The spelling of 16161008 in words is "sixteen million, one hundred sixty-one thousand, eight".