161061524 has 24 divisors (see below), whose sum is σ = 305736480. Its totient is φ = 73797984.

The previous prime is 161061521. The next prime is 161061529. The reversal of 161061524 is 425160161.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 161061493 and 161061502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161061521) 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 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (12739020).

Almost surely, 2^161061524 is an apocalyptic number.

It is an amenable number.

161061524 is a deficient number, since it is larger than the sum of its proper divisors (144674956).

161061524 is a wasteful number, since it uses less digits than its factorization.

161061524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22439 (or 22437 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 161061524 is about 12691.0016941138. The cubic root of 161061524 is about 544.0814693801.

The spelling of 161061524 in words is "one hundred sixty-one million, sixty-one thousand, five hundred twenty-four".