168828647 has 8 divisors (see below), whose sum is σ = 182612640. Its totient is φ = 155158560.

The previous prime is 168828643. The next prime is 168828659. The reversal of 168828647 is 746828861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168828647 - 2² = 168828643 is a prime.

It is a super-2 number, since 2×168828647² = 57006224095701218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168828595 and 168828604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168828643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25379 + ... + 31332.

It is an arithmetic number, because the mean of its divisors is an integer number (22826580).

Almost surely, 2^168828647 is an apocalyptic number.

168828647 is a deficient number, since it is larger than the sum of its proper divisors (13783993).

168828647 is a wasteful number, since it uses less digits than its factorization.

168828647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56953.

The product of its digits is 1032192, while the sum is 50.

The square root of 168828647 is about 12993.4078285875. The cubic root of 168828647 is about 552.6905597666.

The spelling of 168828647 in words is "one hundred sixty-eight million, eight hundred twenty-eight thousand, six hundred forty-seven".