168398896 has 40 divisors (see below), whose sum is σ = 331506560. Its totient is φ = 82861056.

The previous prime is 168398863. The next prime is 168398897. The reversal of 168398896 is 698893861.

It is a self number, because there is not a number n which added to its sum of digits gives 168398896.

It is not an unprimeable number, because it can be changed into a prime (168398897) 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, 388696 + ... + 389128.

It is an arithmetic number, because the mean of its divisors is an integer number (8287664).

Almost surely, 2^168398896 is an apocalyptic number.

168398896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168398896 is a deficient number, since it is larger than the sum of its proper divisors (163107664).

168398896 is a wasteful number, since it uses less digits than its factorization.

168398896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 767 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The square root of 168398896 is about 12976.8600208217. The cubic root of 168398896 is about 552.2212058891.

The spelling of 168398896 in words is "one hundred sixty-eight million, three hundred ninety-eight thousand, eight hundred ninety-six".