161134305705734 has 4 divisors (see below), whose sum is σ = 241701458558604. Its totient is φ = 80567152852866.

The previous prime is 161134305705643. The next prime is 161134305705847. The reversal of 161134305705734 is 437507503431161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40283576426432 + ... + 40283576426435.

It is an arithmetic number, because the mean of its divisors is an integer number (60425364639651).

Almost surely, 2^{161134305705734} is an apocalyptic number.

161134305705734 is a deficient number, since it is larger than the sum of its proper divisors (80567152852870).

161134305705734 is an equidigital number, since it uses as much as digits as its factorization.

161134305705734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80567152852869.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 161134305705734 in words is "one hundred sixty-one trillion, one hundred thirty-four billion, three hundred five million, seven hundred five thousand, seven hundred thirty-four".