10581998 has 16 divisors (see below), whose sum is σ = 18303840. Its totient is φ = 4494336.

The previous prime is 10581959. The next prime is 10582043. The reversal of 10581998 is 89918501.

It is a super-2 number, since 2×10581998² = 223957363344008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (1143990).

Almost surely, 2^10581998 is an apocalyptic number.

10581998 is a deficient number, since it is larger than the sum of its proper divisors (7721842).

10581998 is a wasteful number, since it uses less digits than its factorization.

10581998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 10581998 is about 3252.9983092526. The cubic root of 10581998 is about 219.5444983232.

The spelling of 10581998 in words is "ten million, five hundred eighty-one thousand, nine hundred ninety-eight".