161401462132 has 24 divisors (see below), whose sum is σ = 282716299656. Its totient is φ = 80625420288.

The previous prime is 161401462127. The next prime is 161401462147. The reversal of 161401462132 is 231264104161.

161401462132 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 4 ways, for example, as 1820387556 + 159581074576 = 42666^2 + 399476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 161401462094 and 161401462103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31319268 + ... + 31324420.

It is an arithmetic number, because the mean of its divisors is an integer number (11779845819).

Almost surely, 2^161401462132 is an apocalyptic number.

It is an amenable number.

161401462132 is a deficient number, since it is larger than the sum of its proper divisors (121314837524).

161401462132 is a wasteful number, since it uses less digits than its factorization.

161401462132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947 (or 10945 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 161401462132 its reverse (231264104161), we get a palindrome (392665566293).

The spelling of 161401462132 in words is "one hundred sixty-one billion, four hundred one million, four hundred sixty-two thousand, one hundred thirty-two".