168797888 has 56 divisors (see below), whose sum is σ = 384060192. Its totient is φ = 72105984.

The previous prime is 168797887. The next prime is 168797911. The reversal of 168797888 is 888797861.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 168797888.

It is not an unprimeable number, because it can be changed into a prime (168797887) 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, 258170 + ... + 258822.

Almost surely, 2^168797888 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 168797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192030096).

168797888 is an abundant number, since it is smaller than the sum of its proper divisors (215262304).

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

168797888 is an equidigital number, since it uses as much as digits as its factorization.

168797888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1239 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 62.

The square root of 168797888 is about 12992.2241359977. The cubic root of 168797888 is about 552.6569927115.

The spelling of 168797888 in words is "one hundred sixty-eight million, seven hundred ninety-seven thousand, eight hundred eighty-eight".