168695612 has 12 divisors (see below), whose sum is σ = 295363320. Its totient is φ = 84306096.

The previous prime is 168695557. The next prime is 168695621. The reversal of 168695612 is 216596861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (24613610).

Almost surely, 2^168695612 is an apocalyptic number.

It is an amenable number.

168695612 is a deficient number, since it is larger than the sum of its proper divisors (126667708).

168695612 is a wasteful number, since it uses less digits than its factorization.

168695612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20860 (or 20858 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 168695612 is about 12988.2874929684. The cubic root of 168695612 is about 552.5453503857.

The spelling of 168695612 in words is "one hundred sixty-eight million, six hundred ninety-five thousand, six hundred twelve".