161034132 has 96 divisors (see below), whose sum is σ = 474550272. Its totient is φ = 41412096.

The previous prime is 161034127. The next prime is 161034143. The reversal of 161034132 is 231430161.

161034132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 161034099 and 161034108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30393 + ... + 35295.

It is an arithmetic number, because the mean of its divisors is an integer number (4943232).

Almost surely, 2^161034132 is an apocalyptic number.

161034132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161034132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237275136).

161034132 is an abundant number, since it is smaller than the sum of its proper divisors (313516140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161034132 is a wasteful number, since it uses less digits than its factorization.

161034132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 161034132 is about 12689.9224583919. The cubic root of 161034132 is about 544.0506233527.

Adding to 161034132 its reverse (231430161), we get a palindrome (392464293).

The spelling of 161034132 in words is "one hundred sixty-one million, thirty-four thousand, one hundred thirty-two".