161454668 has 12 divisors (see below), whose sum is σ = 283886232. Its totient is φ = 80344320.

The previous prime is 161454659. The next prime is 161454673. The reversal of 161454668 is 866454161.

161454668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94805 + ... + 96492.

It is an arithmetic number, because the mean of its divisors is an integer number (23657186).

Almost surely, 2^161454668 is an apocalyptic number.

It is an amenable number.

161454668 is a deficient number, since it is larger than the sum of its proper divisors (122431564).

161454668 is a wasteful number, since it uses less digits than its factorization.

161454668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191512 (or 191510 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 161454668 is about 12706.4813382777. The cubic root of 161454668 is about 544.5238025405.

The spelling of 161454668 in words is "one hundred sixty-one million, four hundred fifty-four thousand, six hundred sixty-eight".