161255344 has 20 divisors (see below), whose sum is σ = 312991624. Its totient is φ = 80483328.

The previous prime is 161255317. The next prime is 161255351. The reversal of 161255344 is 443552161.

It is a happy number.

161255344 is digitally balanced in base 2 and base 3, because in such bases 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, 499 + ... + 17965.

Almost surely, 2^161255344 is an apocalyptic number.

It is an amenable number.

161255344 is a deficient number, since it is larger than the sum of its proper divisors (151736280).

161255344 is a wasteful number, since it uses less digits than its factorization.

161255344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052 (or 18046 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 161255344 is about 12698.6355172514. The cubic root of 161255344 is about 544.2996294871.

The spelling of 161255344 in words is "one hundred sixty-one million, two hundred fifty-five thousand, three hundred forty-four".