168660336 has 80 divisors (see below), whose sum is σ = 484413440. Its totient is φ = 50215680.

The previous prime is 168660277. The next prime is 168660341. The reversal of 168660336 is 633066861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 168660294 and 168660303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14985 + ... + 23703.

It is an arithmetic number, because the mean of its divisors is an integer number (6055168).

Almost surely, 2^168660336 is an apocalyptic number.

168660336 is a gapful number since it is divisible by the number (16) 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 168660336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242206720).

168660336 is an abundant number, since it is smaller than the sum of its proper divisors (315753104).

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

168660336 is a wasteful number, since it uses less digits than its factorization.

168660336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774 (or 8768 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 168660336 is about 12986.9294292377. The cubic root of 168660336 is about 552.5068333819.

The spelling of 168660336 in words is "one hundred sixty-eight million, six hundred sixty thousand, three hundred thirty-six".