161368356337 has 8 divisors (see below), whose sum is σ = 162264945600. Its totient is φ = 160472624400.

The previous prime is 161368356241. The next prime is 161368356371. The reversal of 161368356337 is 733653863161.

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 161368356337 - 2⁷ = 161368356209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161368356137) 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, 165018 + ... + 591580.

It is an arithmetic number, because the mean of its divisors is an integer number (20283118200).

Almost surely, 2^161368356337 is an apocalyptic number.

It is an amenable number.

161368356337 is a deficient number, since it is larger than the sum of its proper divisors (896589263).

161368356337 is a wasteful number, since it uses less digits than its factorization.

161368356337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428663.

The product of its digits is 4898880, while the sum is 52.

The spelling of 161368356337 in words is "one hundred sixty-one billion, three hundred sixty-eight million, three hundred fifty-six thousand, three hundred thirty-seven".