161068359197 has 16 divisors (see below), whose sum is σ = 176965326720. Its totient is φ = 145916971200.

The previous prime is 161068359191. The next prime is 161068359227. The reversal of 161068359197 is 791953860161.

It is a cyclic number.

It is not a de Polignac number, because 161068359197 - 2¹⁸ = 161068097053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161068359191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621547 + ... + 1718007.

It is an arithmetic number, because the mean of its divisors is an integer number (11060332920).

Almost surely, 2^161068359197 is an apocalyptic number.

It is an amenable number.

161068359197 is a deficient number, since it is larger than the sum of its proper divisors (15896967523).

161068359197 is a wasteful number, since it uses less digits than its factorization.

161068359197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100324.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 161068359197 in words is "one hundred sixty-one billion, sixty-eight million, three hundred fifty-nine thousand, one hundred ninety-seven".