168013756 has 12 divisors (see below), whose sum is σ = 298412968. Its totient is φ = 82752912.

The previous prime is 168013753. The next prime is 168013759. The reversal of 168013756 is 657310861.

It is an interprime number because it is at equal distance from previous prime (168013753) and next prime (168013759).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168013753) 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, 313191 + ... + 313726.

Almost surely, 2^168013756 is an apocalyptic number.

It is an amenable number.

168013756 is a deficient number, since it is larger than the sum of its proper divisors (130399212).

168013756 is a wasteful number, since it uses less digits than its factorization.

168013756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626988 (or 626986 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 168013756 is about 12962.0120351742. The cubic root of 168013756 is about 551.7998950878.

The spelling of 168013756 in words is "one hundred sixty-eight million, thirteen thousand, seven hundred fifty-six".