161466044 has 6 divisors (see below), whose sum is σ = 282565584. Its totient is φ = 80733020.

The previous prime is 161466029. The next prime is 161466089. The reversal of 161466044 is 440664161.

It is a self number, because there is not a number n which added to its sum of digits gives 161466044.

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 as a sum of consecutive naturals, namely, 20183252 + ... + 20183259.

It is an arithmetic number, because the mean of its divisors is an integer number (47094264).

Almost surely, 2^161466044 is an apocalyptic number.

It is an amenable number.

161466044 is a deficient number, since it is larger than the sum of its proper divisors (121099540).

161466044 is a wasteful number, since it uses less digits than its factorization.

161466044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40366515 (or 40366513 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 161466044 is about 12706.9289759564. The cubic root of 161466044 is about 544.5365911814.

The spelling of 161466044 in words is "one hundred sixty-one million, four hundred sixty-six thousand, forty-four".