161524053 has 12 divisors (see below), whose sum is σ = 235935180. Its totient is φ = 106472256.

The previous prime is 161524049. The next prime is 161524057. The reversal of 161524053 is 350425161.

161524053 is a `hidden beast` number, since 1 + 615 + 2 + 40 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (161524049) and next prime (161524057).

It can be written as a sum of positive squares in 2 ways, for example, as 9199089 + 152324964 = 3033^2 + 12342^2 .

It is not a de Polignac number, because 161524053 - 2² = 161524049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161524057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100026 + ... + 101627.

It is an arithmetic number, because the mean of its divisors is an integer number (19661265).

Almost surely, 2^161524053 is an apocalyptic number.

It is an amenable number.

161524053 is a deficient number, since it is larger than the sum of its proper divisors (74411127).

161524053 is a wasteful number, since it uses less digits than its factorization.

161524053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201748 (or 201745 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 161524053 is about 12709.2113445328. The cubic root of 161524053 is about 544.6017942426.

The spelling of 161524053 in words is "one hundred sixty-one million, five hundred twenty-four thousand, fifty-three".