10543818 has 16 divisors (see below), whose sum is σ = 21218976. Its totient is φ = 3492720.

The previous prime is 10543807. The next prime is 10543823. The reversal of 10543818 is 81834501.

It is a super-2 number, since 2×10543818² = 222344196034248, which contains 22 as substring.

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

It is a Curzon 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, 4413 + ... + 6368.

It is an arithmetic number, because the mean of its divisors is an integer number (1326186).

Almost surely, 2^10543818 is an apocalyptic number.

10543818 is an abundant number, since it is smaller than the sum of its proper divisors (10675158).

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

10543818 is a wasteful number, since it uses less digits than its factorization.

10543818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 10543818 is about 3247.1245741425. The cubic root of 10543818 is about 219.2801402362.

The spelling of 10543818 in words is "ten million, five hundred forty-three thousand, eight hundred eighteen".