10998660 has 96 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 2682880.

The previous prime is 10998607. The next prime is 10998661. The reversal of 10998660 is 6689901.

10998660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10998661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41689 + ... + 41951.

It is an arithmetic number, because the mean of its divisors is an integer number (349272).

Almost surely, 2^10998660 is an apocalyptic number.

10998660 is a gapful number since it is divisible by the number (10) 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 10998660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16765056).

10998660 is an abundant number, since it is smaller than the sum of its proper divisors (22531452).

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

10998660 is a wasteful number, since it uses less digits than its factorization.

10998660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 10998660 is about 3316.4227716020. The cubic root of 10998660 is about 222.3889779832.

The spelling of 10998660 in words is "ten million, nine hundred ninety-eight thousand, six hundred sixty".