990703168 has 168 divisors, whose sum is σ = 2594457600. Its totient is φ = 371008512.

The previous prime is 990703151. The next prime is 990703171. The reversal of 990703168 is 861307099.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773953 + ... + 775231.

It is an arithmetic number, because the mean of its divisors is an integer number (15443200).

Almost surely, 2^990703168 is an apocalyptic number.

990703168 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990703168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297228800).

990703168 is an abundant number, since it is smaller than the sum of its proper divisors (1603754432).

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

990703168 is a wasteful number, since it uses less digits than its factorization.

990703168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 990703168 is about 31475.4375346873. The cubic root of 990703168 is about 996.8914026356.

It can be divided in two parts, 9907031 and 68, that added together give a palindrome (9907099).

The spelling of 990703168 in words is "nine hundred ninety million, seven hundred three thousand, one hundred sixty-eight".