1066244957 has 2 divisors, whose sum is σ = 1066244958. Its totient is φ = 1066244956.

The previous prime is 1066244951. The next prime is 1066245013. The reversal of 1066244957 is 7594426601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999887641 + 66357316 = 31621^2 + 8146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066244957 - 2¹⁰ = 1066243933 is a prime.

It is a super-2 number, since 2×1066244957² = 2273756616655863698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066244951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533122478 + 533122479.

It is an arithmetic number, because the mean of its divisors is an integer number (533122479).

Almost surely, 2^1066244957 is an apocalyptic number.

It is an amenable number.

1066244957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066244957 is an equidigital number, since it uses as much as digits as its factorization.

1066244957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1066244957 is about 32653.4065144818. The cubic root of 1066244957 is about 1021.6112420697.

The spelling of 1066244957 in words is "one billion, sixty-six million, two hundred forty-four thousand, nine hundred fifty-seven".