161544141670 has 16 divisors (see below), whose sum is σ = 292385974608. Its totient is φ = 64260652320.

The previous prime is 161544141667. The next prime is 161544141679. The reversal of 161544141670 is 76141445161.

161544141670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161544141679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44623644 + ... + 44627263.

It is an arithmetic number, because the mean of its divisors is an integer number (18274123413).

Almost surely, 2^161544141670 is an apocalyptic number.

161544141670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161544141670 is a deficient number, since it is larger than the sum of its proper divisors (130841832938).

161544141670 is a wasteful number, since it uses less digits than its factorization.

161544141670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89251095.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 161544141670 in words is "one hundred sixty-one billion, five hundred forty-four million, one hundred forty-one thousand, six hundred seventy".