10491818 has 16 divisors (see below), whose sum is σ = 16825536. Its totient is φ = 4894560.

The previous prime is 10491809. The next prime is 10491847. The reversal of 10491818 is 81819401.

It is a super-2 number, since 2×10491818² = 220156489890248, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

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, 896 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (1051596).

Almost surely, 2^10491818 is an apocalyptic number.

10491818 is a deficient number, since it is larger than the sum of its proper divisors (6333718).

10491818 is a wasteful number, since it uses less digits than its factorization.

10491818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 10491818 is about 3239.1075931497. The cubic root of 10491818 is about 218.9190640782.

The spelling of 10491818 in words is "ten million, four hundred ninety-one thousand, eight hundred eighteen".