161214329217743 has 8 divisors (see below), whose sum is σ = 170353061145600. Its totient is φ = 152253048395448.

The previous prime is 161214329217727. The next prime is 161214329217803. The reversal of 161214329217743 is 347712923412161.

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

It is a cyclic number.

It is not a de Polignac number, because 161214329217743 - 2⁴ = 161214329217727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161214329217713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44362774523 + ... + 44362778156.

It is an arithmetic number, because the mean of its divisors is an integer number (21294132643200).

Almost surely, 2^{161214329217743} is an apocalyptic number.

161214329217743 is a deficient number, since it is larger than the sum of its proper divisors (9138731927857).

161214329217743 is an equidigital number, since it uses as much as digits as its factorization.

161214329217743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88725552781.

The product of its digits is 3048192, while the sum is 53.

The spelling of 161214329217743 in words is "one hundred sixty-one trillion, two hundred fourteen billion, three hundred twenty-nine million, two hundred seventeen thousand, seven hundred forty-three".