161141056120563 has 32 divisors (see below), whose sum is σ = 216772735610880. Its totient is φ = 106472608892160.

The previous prime is 161141056120483. The next prime is 161141056120589. The reversal of 161141056120563 is 365021650141161.

It is a happy number.

161141056120563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161141056120563 - 2⁸ = 161141056120307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161141056120063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1244181253 + ... + 1244310761.

It is an arithmetic number, because the mean of its divisors is an integer number (6774147987840).

Almost surely, 2^{161141056120563} is an apocalyptic number.

161141056120563 is a deficient number, since it is larger than the sum of its proper divisors (55631679490317).

161141056120563 is a wasteful number, since it uses less digits than its factorization.

161141056120563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137659.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 161141056120563 in words is "one hundred sixty-one trillion, one hundred forty-one billion, fifty-six million, one hundred twenty thousand, five hundred sixty-three".