161532124 has 12 divisors (see below), whose sum is σ = 304426024. Its totient is φ = 74553264.

The previous prime is 161532097. The next prime is 161532127. The reversal of 161532124 is 421235161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161532127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553142 + ... + 1553245.

Almost surely, 2^161532124 is an apocalyptic number.

It is an amenable number.

161532124 is a deficient number, since it is larger than the sum of its proper divisors (142893900).

161532124 is a wasteful number, since it uses less digits than its factorization.

161532124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106404 (or 3106402 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 161532124 is about 12709.5288661697. The cubic root of 161532124 is about 544.6108649410.

Adding to 161532124 its reverse (421235161), we get a palindrome (582767285).

The spelling of 161532124 in words is "one hundred sixty-one million, five hundred thirty-two thousand, one hundred twenty-four".