168747012 has 72 divisors (see below), whose sum is σ = 503240192. Its totient is φ = 46656000.

The previous prime is 168747011. The next prime is 168747013. The reversal of 168747012 is 210747861.

It is an interprime number because it is at equal distance from previous prime (168747011) and next prime (168747013).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (168747011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2989 + ... + 18612.

Almost surely, 2^168747012 is an apocalyptic number.

168747012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168747012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251620096).

168747012 is an abundant number, since it is smaller than the sum of its proper divisors (334493180).

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

168747012 is a wasteful number, since it uses less digits than its factorization.

168747012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21649 (or 21644 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 168747012 is about 12990.2660480838. The cubic root of 168747012 is about 552.6014631809.

The spelling of 168747012 in words is "one hundred sixty-eight million, seven hundred forty-seven thousand, twelve".