161360144 has 40 divisors (see below), whose sum is σ = 341903712. Its totient is φ = 73163520.

The previous prime is 161360117. The next prime is 161360191. The reversal of 161360144 is 441063161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91172 + ... + 92924.

Almost surely, 2^161360144 is an apocalyptic number.

It is an amenable number.

161360144 is an abundant number, since it is smaller than the sum of its proper divisors (180543568).

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

161360144 is a wasteful number, since it uses less digits than its factorization.

161360144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 161360144 is about 12702.7612746206. The cubic root of 161360144 is about 544.4175175663.

The spelling of 161360144 in words is "one hundred sixty-one million, three hundred sixty thousand, one hundred forty-four".