16161506808 has 16 divisors (see below), whose sum is σ = 40403767080. Its totient is φ = 5387168928.

The previous prime is 16161506789. The next prime is 16161506821. The reversal of 16161506808 is 80860516161.

16161506808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16161506808² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16161506808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336698035 + ... + 336698082.

Almost surely, 2^16161506808 is an apocalyptic number.

It is an amenable number.

16161506808 is an abundant number, since it is smaller than the sum of its proper divisors (24242260272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16161506808 is a wasteful number, since it uses less digits than its factorization.

16161506808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673396126 (or 673396122 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 16161506808 in words is "sixteen billion, one hundred sixty-one million, five hundred six thousand, eight hundred eight".