1166133397 has 8 divisors (see below), whose sum is σ = 1370003040. Its totient is φ = 978573360.

The previous prime is 1166133389. The next prime is 1166133427. The reversal of 1166133397 is 7933316611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166133397 - 2³ = 1166133389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166133337) 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, 4077247 + ... + 4077532.

It is an arithmetic number, because the mean of its divisors is an integer number (171250380).

Almost surely, 2^1166133397 is an apocalyptic number.

It is an amenable number.

1166133397 is a deficient number, since it is larger than the sum of its proper divisors (203869643).

1166133397 is a wasteful number, since it uses less digits than its factorization.

1166133397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154803.

The product of its digits is 61236, while the sum is 40.

The square root of 1166133397 is about 34148.6953923572. The cubic root of 1166133397 is about 1052.5661788325.

The spelling of 1166133397 in words is "one billion, one hundred sixty-six million, one hundred thirty-three thousand, three hundred ninety-seven".