161334632 has 8 divisors (see below), whose sum is σ = 302502450. Its totient is φ = 80667312.

The previous prime is 161334623. The next prime is 161334637. The reversal of 161334632 is 236433161.

161334632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 148986436 + 12348196 = 12206^2 + 3514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×161334632³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161334595 and 161334604.

It is not an unprimeable number, because it can be changed into a prime (161334637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083407 + ... + 10083422.

Almost surely, 2^161334632 is an apocalyptic number.

It is an amenable number.

161334632 is a deficient number, since it is larger than the sum of its proper divisors (141167818).

161334632 is a wasteful number, since it uses less digits than its factorization.

161334632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166835 (or 20166831 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 161334632 is about 12701.7570438109. The cubic root of 161334632 is about 544.3888241698.

Adding to 161334632 its reverse (236433161), we get a palindrome (397767793).

The spelling of 161334632 in words is "one hundred sixty-one million, three hundred thirty-four thousand, six hundred thirty-two".