168081036337 has 4 divisors (see below), whose sum is σ = 169020036720. Its totient is φ = 167142035956.

The previous prime is 168081036301. The next prime is 168081036353. The reversal of 168081036337 is 733630180861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168081036337 is a prime.

It is a super-2 number, since 2×168081036337² (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 (168081036367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469499923 + ... + 469500280.

It is an arithmetic number, because the mean of its divisors is an integer number (42255009180).

Almost surely, 2^168081036337 is an apocalyptic number.

It is an amenable number.

168081036337 is a deficient number, since it is larger than the sum of its proper divisors (939000383).

168081036337 is an equidigital number, since it uses as much as digits as its factorization.

168081036337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939000382.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 168081036337 in words is "one hundred sixty-eight billion, eighty-one million, thirty-six thousand, three hundred thirty-seven".