161496048 has 160 divisors (see below), whose sum is σ = 514967040. Its totient is φ = 42577920.

The previous prime is 161496047. The next prime is 161496053. The reversal of 161496048 is 840694161.

It is a junction number, because it is equal to n+sod(n) for n = 161495997 and 161496015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161496043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261436 + ... + 262052.

It is an arithmetic number, because the mean of its divisors is an integer number (3218544).

Almost surely, 2^161496048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161496048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257483520).

161496048 is an abundant number, since it is smaller than the sum of its proper divisors (353470992).

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

161496048 is a wasteful number, since it uses less digits than its factorization.

161496048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 161496048 is about 12708.1095368273. The cubic root of 161496048 is about 544.5703181157.

The spelling of 161496048 in words is "one hundred sixty-one million, four hundred ninety-six thousand, forty-eight".