1466042161 has 2 divisors, whose sum is σ = 1466042162. Its totient is φ = 1466042160.

The previous prime is 1466042143. The next prime is 1466042257. The reversal of 1466042161 is 1612406641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1035230625 + 430811536 = 32175^2 + 20756^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466042161 - 2⁹ = 1466041649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1466042131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733021080 + 733021081.

It is an arithmetic number, because the mean of its divisors is an integer number (733021081).

Almost surely, 2^1466042161 is an apocalyptic number.

It is an amenable number.

1466042161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466042161 is an equidigital number, since it uses as much as digits as its factorization.

1466042161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1466042161 is about 38288.9300059430. The cubic root of 1466042161 is about 1136.0099973600.

The spelling of 1466042161 in words is "one billion, four hundred sixty-six million, forty-two thousand, one hundred sixty-one".