168788887860 has 48 divisors (see below), whose sum is σ = 472789642752. Its totient is φ = 44993155200.

The previous prime is 168788887837. The next prime is 168788887867. The reversal of 168788887860 is 68788887861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168788887867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379396 + ... + 693915.

It is an arithmetic number, because the mean of its divisors is an integer number (9849784224).

Almost surely, 2^168788887860 is an apocalyptic number.

168788887860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168788887860 is an abundant number, since it is smaller than the sum of its proper divisors (304000754892).

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

168788887860 is a wasteful number, since it uses less digits than its factorization.

168788887860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075944 (or 1075942 counting only the distinct ones).

The product of its (nonzero) digits is 462422016, while the sum is 75.

Subtracting from 168788887860 its reverse (68788887861), we obtain a palindrome (99999999999).

The spelling of 168788887860 in words is "one hundred sixty-eight billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, eight hundred sixty".