161114132543 has 32 divisors (see below), whose sum is σ = 199663833600. Its totient is φ = 126595737216.

The previous prime is 161114132539. The next prime is 161114132561. The reversal of 161114132543 is 345231411161.

It is not a de Polignac number, because 161114132543 - 2² = 161114132539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161114132143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24011273 + ... + 24017981.

It is an arithmetic number, because the mean of its divisors is an integer number (6239494800).

Almost surely, 2^161114132543 is an apocalyptic number.

161114132543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

161114132543 is a deficient number, since it is larger than the sum of its proper divisors (38549701057).

161114132543 is a wasteful number, since it uses less digits than its factorization.

161114132543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511.

The product of its digits is 8640, while the sum is 32.

The spelling of 161114132543 in words is "one hundred sixty-one billion, one hundred fourteen million, one hundred thirty-two thousand, five hundred forty-three".