168045836337806 has 32 divisors (see below), whose sum is σ = 288235005327360. Its totient is φ = 71980539228000.

The previous prime is 168045836337779. The next prime is 168045836337851. The reversal of 168045836337806 is 608733638540861.

It is a super-2 number, since 2×168045836337806² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161018461 + ... + 1161163191.

It is an arithmetic number, because the mean of its divisors is an integer number (9007343916480).

Almost surely, 2^{168045836337806} is an apocalyptic number.

168045836337806 is a deficient number, since it is larger than the sum of its proper divisors (120189168989554).

168045836337806 is a wasteful number, since it uses less digits than its factorization.

168045836337806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189200.

The product of its (nonzero) digits is 418037760, while the sum is 68.

The spelling of 168045836337806 in words is "one hundred sixty-eight trillion, forty-five billion, eight hundred thirty-six million, three hundred thirty-seven thousand, eight hundred six".