10591640 has 16 divisors (see below), whose sum is σ = 23831280. Its totient is φ = 4236640.

The previous prime is 10591597. The next prime is 10591703. The reversal of 10591640 is 4619501.

It is a super-2 number, since 2×10591640² = 224365675779200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 132356 + ... + 132435.

It is an arithmetic number, because the mean of its divisors is an integer number (1489455).

Almost surely, 2^10591640 is an apocalyptic number.

10591640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10591640 is an abundant number, since it is smaller than the sum of its proper divisors (13239640).

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

10591640 is a wasteful number, since it uses less digits than its factorization.

10591640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264802 (or 264798 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10591640 is about 3254.4799891841. The cubic root of 10591640 is about 219.6111588739.

The spelling of 10591640 in words is "ten million, five hundred ninety-one thousand, six hundred forty".