10851640 has 32 divisors (see below), whose sum is σ = 24766560. Its totient is φ = 4278400.

The previous prime is 10851629. The next prime is 10851667. The reversal of 10851640 is 4615801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (773955).

Almost surely, 2^10851640 is an apocalyptic number.

10851640 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 10851640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12383280).

10851640 is an abundant number, since it is smaller than the sum of its proper divisors (13914920).

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

10851640 is a wasteful number, since it uses less digits than its factorization.

10851640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10851640 is about 3294.1827514575. The cubic root of 10851640 is about 221.3936324636.

The spelling of 10851640 in words is "ten million, eight hundred fifty-one thousand, six hundred forty".