168677012 has 36 divisors (see below), whose sum is σ = 348111540. Its totient is φ = 71293824.

The previous prime is 168676979. The next prime is 168677051. The reversal of 168677012 is 210776861.

It can be written as a sum of positive squares in 2 ways, for example, as 40398736 + 128278276 = 6356^2 + 11326^2 .

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 11 ways as a sum of consecutive naturals, for example, 8414 + ... + 20202.

It is an arithmetic number, because the mean of its divisors is an integer number (9669765).

Almost surely, 2^168677012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168677012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174055770).

168677012 is an abundant number, since it is smaller than the sum of its proper divisors (179434528).

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

168677012 is a wasteful number, since it uses less digits than its factorization.

168677012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880 (or 11871 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 168677012 is about 12987.5714434994. The cubic root of 168677012 is about 552.5250421687.

The spelling of 168677012 in words is "one hundred sixty-eight million, six hundred seventy-seven thousand, twelve".