161349334754 has 8 divisors (see below), whose sum is σ = 242091372780. Its totient is φ = 80652210496.

The previous prime is 161349334667. The next prime is 161349334771. The reversal of 161349334754 is 457433943161.

161349334754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 158823769729 + 2525565025 = 398527^2 + 50255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11219459 + ... + 11233830.

Almost surely, 2^161349334754 is an apocalyptic number.

161349334754 is a deficient number, since it is larger than the sum of its proper divisors (80742038026).

161349334754 is a wasteful number, since it uses less digits than its factorization.

161349334754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456884.

The product of its digits is 3265920, while the sum is 50.

The spelling of 161349334754 in words is "one hundred sixty-one billion, three hundred forty-nine million, three hundred thirty-four thousand, seven hundred fifty-four".