8044666541 has 2 divisors, whose sum is σ = 8044666542. Its totient is φ = 8044666540.

The previous prime is 8044666523. The next prime is 8044666583. The reversal of 8044666541 is 1456664408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7439752516 + 604914025 = 86254^2 + 24595^2 .

It is a cyclic number.

It is not a de Polignac number, because 8044666541 - 2⁶ = 8044666477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8044666492 and 8044666501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8044666241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022333270 + 4022333271.

It is an arithmetic number, because the mean of its divisors is an integer number (4022333271).

Almost surely, 2^8044666541 is an apocalyptic number.

It is an amenable number.

8044666541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8044666541 is an equidigital number, since it uses as much as digits as its factorization.

8044666541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 8044666541 is about 89692.0650949681. The cubic root of 8044666541 is about 2003.7153057280.

The spelling of 8044666541 in words is "eight billion, forty-four million, six hundred sixty-six thousand, five hundred forty-one".