10581616 has 20 divisors (see below), whose sum is σ = 21708432. Its totient is φ = 4979456.

The previous prime is 10581581. The next prime is 10581619. The reversal of 10581616 is 61618501.

It is a super-2 number, since 2×10581616² = 223941194342912, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10581619) by changing a digit.

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, 19180 + ... + 19723.

Almost surely, 2^10581616 is an apocalyptic number.

10581616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10581616 is an abundant number, since it is smaller than the sum of its proper divisors (11126816).

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

10581616 is a wasteful number, since it uses less digits than its factorization.

10581616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928 (or 38922 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 10581616 is about 3252.9395936599. The cubic root of 10581616 is about 219.5418565094.

The spelling of 10581616 in words is "ten million, five hundred eighty-one thousand, six hundred sixteen".