10666454 has 4 divisors (see below), whose sum is σ = 15999684. Its totient is φ = 5333226.

The previous prime is 10666441. The next prime is 10666459. The reversal of 10666454 is 45466601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10666454² = 227546481868232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10666454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666459) 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 as a sum of consecutive naturals, namely, 2666612 + ... + 2666615.

It is an arithmetic number, because the mean of its divisors is an integer number (3999921).

Almost surely, 2^10666454 is an apocalyptic number.

10666454 is a deficient number, since it is larger than the sum of its proper divisors (5333230).

10666454 is an equidigital number, since it uses as much as digits as its factorization.

10666454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333229.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 10666454 is about 3265.9537657475. The cubic root of 10666454 is about 220.1270203127.

The spelling of 10666454 in words is "ten million, six hundred sixty-six thousand, four hundred fifty-four".