161124394648 has 96 divisors (see below), whose sum is σ = 355082389200. Its totient is φ = 68337416448.

The previous prime is 161124394619. The next prime is 161124394663. The reversal of 161124394648 is 846493421161.

161124394648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161124394648² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71010058 + ... + 71012326.

Almost surely, 2^161124394648 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 161124394648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177541194600).

161124394648 is an abundant number, since it is smaller than the sum of its proper divisors (193957994552).

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

161124394648 is a wasteful number, since it uses less digits than its factorization.

161124394648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4078 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 161124394648 in words is "one hundred sixty-one billion, one hundred twenty-four million, three hundred ninety-four thousand, six hundred forty-eight".