1166933897 has 2 divisors, whose sum is σ = 1166933898. Its totient is φ = 1166933896.

The previous prime is 1166933891. The next prime is 1166933903. The reversal of 1166933897 is 7983396611.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1166933891) and next prime (1166933903).

It can be written as a sum of positive squares in only one way, i.e., 1041740176 + 125193721 = 32276^2 + 11189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166933897 - 2⁴ = 1166933881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166933891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583466948 + 583466949.

It is an arithmetic number, because the mean of its divisors is an integer number (583466949).

Almost surely, 2^1166933897 is an apocalyptic number.

It is an amenable number.

1166933897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166933897 is an equidigital number, since it uses as much as digits as its factorization.

1166933897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 1166933897 is about 34160.4141807444. The cubic root of 1166933897 is about 1052.8069707533.

The spelling of 1166933897 in words is "one billion, one hundred sixty-six million, nine hundred thirty-three thousand, eight hundred ninety-seven".