161848325402432 has 14 divisors (see below), whose sum is σ = 321167770720578. Its totient is φ = 80924162701184.

The previous prime is 161848325402419. The next prime is 161848325402437. The reversal of 161848325402432 is 234204523848161.

It can be written as a sum of positive squares in only one way, i.e., 144056261494336 + 17792063908096 = 12002344^2 + 4218064^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161848325402437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264440042143 + ... + 1264440042270.

Almost surely, 2^{161848325402432} is an apocalyptic number.

It is an amenable number.

161848325402432 is a deficient number, since it is larger than the sum of its proper divisors (159319445318146).

161848325402432 is an equidigital number, since it uses as much as digits as its factorization.

161848325402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528880084425 (or 2528880084415 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 161848325402432 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, three hundred twenty-five million, four hundred two thousand, four hundred thirty-two".