161524948 has 24 divisors (see below), whose sum is σ = 305699240. Its totient is φ = 74234880.

The previous prime is 161524907. The next prime is 161524963. The reversal of 161524948 is 849425161.

It can be written as a sum of positive squares in 4 ways, for example, as 25522704 + 136002244 = 5052^2 + 11662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 161524948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6088 + ... + 18976.

Almost surely, 2^161524948 is an apocalyptic number.

It is an amenable number.

161524948 is a deficient number, since it is larger than the sum of its proper divisors (144174292).

161524948 is a wasteful number, since it uses less digits than its factorization.

161524948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147 (or 13145 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 161524948 is about 12709.2465551660. The cubic root of 161524948 is about 544.6028001149.

The spelling of 161524948 in words is "one hundred sixty-one million, five hundred twenty-four thousand, nine hundred forty-eight".