161127532 has 12 divisors (see below), whose sum is σ = 282075696. Its totient is φ = 80534480.

The previous prime is 161127521. The next prime is 161127541. The reversal of 161127532 is 235721161.

It is a happy number.

161127532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161127532² = 51924163136822048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161127532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9198 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (23506308).

Almost surely, 2^161127532 is an apocalyptic number.

It is an amenable number.

161127532 is a deficient number, since it is larger than the sum of its proper divisors (120948164).

161127532 is a wasteful number, since it uses less digits than its factorization.

161127532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648 (or 14646 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 161127532 is about 12693.6020104618. The cubic root of 161127532 is about 544.1557863734.

Adding to 161127532 its reverse (235721161), we get a palindrome (396848693).

The spelling of 161127532 in words is "one hundred sixty-one million, one hundred twenty-seven thousand, five hundred thirty-two".