946141661 has 2 divisors, whose sum is σ = 946141662. Its totient is φ = 946141660.

The previous prime is 946141649. The next prime is 946141663. The reversal of 946141661 is 166141649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942121636 + 4020025 = 30694^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946141661 is a prime.

Together with 946141663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946141663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473070830 + 473070831.

It is an arithmetic number, because the mean of its divisors is an integer number (473070831).

Almost surely, 2^946141661 is an apocalyptic number.

It is an amenable number.

946141661 is a deficient number, since it is larger than the sum of its proper divisors (1).

946141661 is an equidigital number, since it uses as much as digits as its factorization.

946141661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 946141661 is about 30759.4158104474. The cubic root of 946141661 is about 981.7149137944.

The spelling of 946141661 in words is "nine hundred forty-six million, one hundred forty-one thousand, six hundred sixty-one".