1166953394 has 16 divisors (see below), whose sum is σ = 1772933400. Its totient is φ = 576009600.

The previous prime is 1166953391. The next prime is 1166953441. The reversal of 1166953394 is 4933596611.

It can be written as a sum of positive squares in 4 ways, for example, as 1055925025 + 111028369 = 32495^2 + 10537^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1166953391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62222 + ... + 78774.

Almost surely, 2^1166953394 is an apocalyptic number.

1166953394 is a deficient number, since it is larger than the sum of its proper divisors (605980006).

1166953394 is a wasteful number, since it uses less digits than its factorization.

1166953394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005.

The product of its digits is 524880, while the sum is 47.

The square root of 1166953394 is about 34160.6995537269. The cubic root of 1166953394 is about 1052.8128341140.

The spelling of 1166953394 in words is "one billion, one hundred sixty-six million, nine hundred fifty-three thousand, three hundred ninety-four".