161141120 has 64 divisors (see below), whose sum is σ = 440272800. Its totient is φ = 55246848.

The previous prime is 161141107. The next prime is 161141129. The reversal of 161141120 is 21141161.

161141120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161141129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13505 + ... + 22464.

Almost surely, 2^161141120 is an apocalyptic number.

161141120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161141120 is an abundant number, since it is smaller than the sum of its proper divisors (279131680).

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

161141120 is an equidigital number, since it uses as much as digits as its factorization.

161141120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35995 (or 35983 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 161141120 is about 12694.1372294457. The cubic root of 161141120 is about 544.1710822923.

Adding to 161141120 its reverse (21141161), we get a palindrome (182282281).

The spelling of 161141120 in words is "one hundred sixty-one million, one hundred forty-one thousand, one hundred twenty".