1166030401 has 2 divisors, whose sum is σ = 1166030402. Its totient is φ = 1166030400.

The previous prime is 1166030377. The next prime is 1166030407. The reversal of 1166030401 is 1040306611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147583376 + 18447025 = 33876^2 + 4295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166030401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166030407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583015200 + 583015201.

It is an arithmetic number, because the mean of its divisors is an integer number (583015201).

Almost surely, 2^1166030401 is an apocalyptic number.

It is an amenable number.

1166030401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166030401 is an equidigital number, since it uses as much as digits as its factorization.

1166030401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1166030401 is about 34147.1873073025. The cubic root of 1166030401 is about 1052.5351894396.

The spelling of 1166030401 in words is "one billion, one hundred sixty-six million, thirty thousand, four hundred one".