1166956429 has 2 divisors, whose sum is σ = 1166956430. Its totient is φ = 1166956428.

The previous prime is 1166956423. The next prime is 1166956447. The reversal of 1166956429 is 9246596611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123791529 + 43164900 = 33523^2 + 6570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166956429 - 2⁵ = 1166956397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166956423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583478214 + 583478215.

It is an arithmetic number, because the mean of its divisors is an integer number (583478215).

Almost surely, 2^1166956429 is an apocalyptic number.

It is an amenable number.

1166956429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166956429 is an equidigital number, since it uses as much as digits as its factorization.

1166956429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The square root of 1166956429 is about 34160.7439760905. The cubic root of 1166956429 is about 1052.8137468280.

The spelling of 1166956429 in words is "one billion, one hundred sixty-six million, nine hundred fifty-six thousand, four hundred twenty-nine".