803166641 has 2 divisors, whose sum is σ = 803166642. Its totient is φ = 803166640.

The previous prime is 803166583. The next prime is 803166643. The reversal of 803166641 is 146661308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549433600 + 253733041 = 23440^2 + 15929^2 .

It is a cyclic number.

It is not a de Polignac number, because 803166641 - 2⁶ = 803166577 is a prime.

Together with 803166643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (803166643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401583320 + 401583321.

It is an arithmetic number, because the mean of its divisors is an integer number (401583321).

Almost surely, 2^803166641 is an apocalyptic number.

It is an amenable number.

803166641 is a deficient number, since it is larger than the sum of its proper divisors (1).

803166641 is an equidigital number, since it uses as much as digits as its factorization.

803166641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 803166641 is about 28340.1947946728. The cubic root of 803166641 is about 929.5410079458.

The spelling of 803166641 in words is "eight hundred three million, one hundred sixty-six thousand, six hundred forty-one".