1066773623 has 2 divisors, whose sum is σ = 1066773624. Its totient is φ = 1066773622.

The previous prime is 1066773619. The next prime is 1066773667. The reversal of 1066773623 is 3263776601.

It is a weak prime.

It is an emirp because it is prime and its reverse (3263776601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1066773623 - 2² = 1066773619 is a prime.

It is a super-2 number, since 2×1066773623² = 2276011925457092258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066773683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533386811 + 533386812.

It is an arithmetic number, because the mean of its divisors is an integer number (533386812).

Almost surely, 2^1066773623 is an apocalyptic number.

1066773623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066773623 is an equidigital number, since it uses as much as digits as its factorization.

1066773623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 1066773623 is about 32661.5006238231. The cubic root of 1066773623 is about 1021.7800594030.

The spelling of 1066773623 in words is "one billion, sixty-six million, seven hundred seventy-three thousand, six hundred twenty-three".