161696850713 has 8 divisors (see below), whose sum is σ = 162224097600. Its totient is φ = 161169837840.

The previous prime is 161696850613. The next prime is 161696850727. The reversal of 161696850713 is 317058696161.

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 161696850713 - 2²⁰ = 161695802137 is a prime.

It is a super-2 number, since 2×161696850713² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161696850613) 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 7 ways as a sum of consecutive naturals, for example, 1383356 + ... + 1495682.

It is an arithmetic number, because the mean of its divisors is an integer number (20278012200).

Almost surely, 2^161696850713 is an apocalyptic number.

It is an amenable number.

161696850713 is a deficient number, since it is larger than the sum of its proper divisors (527246887).

161696850713 is a wasteful number, since it uses less digits than its factorization.

161696850713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117007.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 161696850713 in words is "one hundred sixty-one billion, six hundred ninety-six million, eight hundred fifty thousand, seven hundred thirteen".