168685033677 has 32 divisors (see below), whose sum is σ = 235863290880. Its totient is φ = 107031408000.

The previous prime is 168685033667. The next prime is 168685033687. The reversal of 168685033677 is 776330586861.

168685033677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168685033667) and next prime (168685033687).

It is not a de Polignac number, because 168685033677 - 2¹⁵ = 168685000909 is a prime.

It is a super-2 number, since 2×168685033677² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168685033677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168685033667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19548838 + ... + 19557464.

It is an arithmetic number, because the mean of its divisors is an integer number (7370727840).

Almost surely, 2^168685033677 is an apocalyptic number.

It is an amenable number.

168685033677 is a deficient number, since it is larger than the sum of its proper divisors (67178257203).

168685033677 is a wasteful number, since it uses less digits than its factorization.

168685033677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 168685033677 in words is "one hundred sixty-eight billion, six hundred eighty-five million, thirty-three thousand, six hundred seventy-seven".