883651661 has 2 divisors, whose sum is σ = 883651662. Its totient is φ = 883651660.

The previous prime is 883651633. The next prime is 883651733. The reversal of 883651661 is 166156388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837002761 + 46648900 = 28931^2 + 6830^2 .

It is a cyclic number.

It is not a de Polignac number, because 883651661 - 2¹⁸ = 883389517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (883651061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441825830 + 441825831.

It is an arithmetic number, because the mean of its divisors is an integer number (441825831).

Almost surely, 2^883651661 is an apocalyptic number.

It is an amenable number.

883651661 is a deficient number, since it is larger than the sum of its proper divisors (1).

883651661 is an equidigital number, since it uses as much as digits as its factorization.

883651661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 883651661 is about 29726.2789632339. The cubic root of 883651661 is about 959.6076452933.

The spelling of 883651661 in words is "eight hundred eighty-three million, six hundred fifty-one thousand, six hundred sixty-one".