161248316 has 6 divisors (see below), whose sum is σ = 282184560. Its totient is φ = 80624156.

The previous prime is 161248303. The next prime is 161248343. The reversal of 161248316 is 613842161.

161248316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 20156036 + ... + 20156043.

It is an arithmetic number, because the mean of its divisors is an integer number (47030760).

Almost surely, 2^161248316 is an apocalyptic number.

It is an amenable number.

161248316 is a deficient number, since it is larger than the sum of its proper divisors (120936244).

161248316 is a wasteful number, since it uses less digits than its factorization.

161248316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40312083 (or 40312081 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 161248316 is about 12698.3587915919. The cubic root of 161248316 is about 544.2917219592.

The spelling of 161248316 in words is "one hundred sixty-one million, two hundred forty-eight thousand, three hundred sixteen".