168895628 has 24 divisors (see below), whose sum is σ = 329301504. Its totient is φ = 75136400.

The previous prime is 168895627. The next prime is 168895633. The reversal of 168895628 is 826598861.

It is a self number, because there is not a number n which added to its sum of digits gives 168895628.

It is not an unprimeable number, because it can be changed into a prime (168895627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38768 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (13720896).

Almost surely, 2^168895628 is an apocalyptic number.

It is an amenable number.

168895628 is a deficient number, since it is larger than the sum of its proper divisors (160405876).

168895628 is a wasteful number, since it uses less digits than its factorization.

168895628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81733 (or 81731 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The square root of 168895628 is about 12995.9850723214. The cubic root of 168895628 is about 552.7636415024.

The spelling of 168895628 in words is "one hundred sixty-eight million, eight hundred ninety-five thousand, six hundred twenty-eight".