161757048 has 16 divisors (see below), whose sum is σ = 404392680. Its totient is φ = 53919008.

The previous prime is 161757047. The next prime is 161757049. The reversal of 161757048 is 840757161.

161757048 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 interprime number because it is at equal distance from previous prime (161757047) and next prime (161757049).

It is a junction number, because it is equal to n+sod(n) for n = 161756997 and 161757015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161757047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369915 + ... + 3369962.

Almost surely, 2^161757048 is an apocalyptic number.

It is an amenable number.

161757048 is an abundant number, since it is smaller than the sum of its proper divisors (242635632).

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

161757048 is a wasteful number, since it uses less digits than its factorization.

161757048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739886 (or 6739882 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 161757048 is about 12718.3744244302. The cubic root of 161757048 is about 544.8635272575.

The spelling of 161757048 in words is "one hundred sixty-one million, seven hundred fifty-seven thousand, forty-eight".