168693996 has 24 divisors (see below), whose sum is σ = 393909040. Its totient is φ = 56189952.

The previous prime is 168693979. The next prime is 168693997. The reversal of 168693996 is 699396861.

It is not an unprimeable number, because it can be changed into a prime (168693997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14940 + ... + 23676.

Almost surely, 2^168693996 is an apocalyptic number.

It is an amenable number.

168693996 is an abundant number, since it is smaller than the sum of its proper divisors (225215044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168693996 is a wasteful number, since it uses less digits than its factorization.

168693996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10353 (or 10351 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The square root of 168693996 is about 12988.2252829245. The cubic root of 168693996 is about 552.5435860321.

The spelling of 168693996 in words is "one hundred sixty-eight million, six hundred ninety-three thousand, nine hundred ninety-six".