66094403 has 2 divisors, whose sum is σ = 66094404. Its totient is φ = 66094402.

The previous prime is 66094373. The next prime is 66094421. The reversal of 66094403 is 30449066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66094403 - 2²² = 61900099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66094403.

It is not a weakly prime, because it can be changed into another prime (66094603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33047201 + 33047202.

It is an arithmetic number, because the mean of its divisors is an integer number (33047202).

Almost surely, 2^66094403 is an apocalyptic number.

66094403 is a deficient number, since it is larger than the sum of its proper divisors (1).

66094403 is an equidigital number, since it uses as much as digits as its factorization.

66094403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66094403 is about 8129.8464315139. The cubic root of 66094403 is about 404.3165896536.

The spelling of 66094403 in words is "sixty-six million, ninety-four thousand, four hundred three".