1066054403 has 8 divisors (see below), whose sum is σ = 1075502448. Its totient is φ = 1056630784.

The previous prime is 1066054333. The next prime is 1066054417. The reversal of 1066054403 is 3044506601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066054403 is a prime.

It is a super-2 number, since 2×1066054403² = 2272943980311372818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066054433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87875 + ... + 99267.

It is an arithmetic number, because the mean of its divisors is an integer number (134437806).

Almost surely, 2^1066054403 is an apocalyptic number.

1066054403 is a deficient number, since it is larger than the sum of its proper divisors (9448045).

1066054403 is a wasteful number, since it uses less digits than its factorization.

1066054403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1066054403 is about 32650.4885568348. The cubic root of 1066054403 is about 1021.5503793491.

The spelling of 1066054403 in words is "one billion, sixty-six million, fifty-four thousand, four hundred three".