161814008 has 8 divisors (see below), whose sum is σ = 303401280. Its totient is φ = 80907000.

The previous prime is 161813963. The next prime is 161814011. The reversal of 161814008 is 800418161.

161814008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10113368 + ... + 10113383.

It is an arithmetic number, because the mean of its divisors is an integer number (37925160).

Almost surely, 2^161814008 is an apocalyptic number.

It is an amenable number.

161814008 is a deficient number, since it is larger than the sum of its proper divisors (141587272).

161814008 is a wasteful number, since it uses less digits than its factorization.

161814008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226757 (or 20226753 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 161814008 is about 12720.6135072173. The cubic root of 161814008 is about 544.9274745677.

The spelling of 161814008 in words is "one hundred sixty-one million, eight hundred fourteen thousand, eight".