1166431546 has 32 divisors (see below), whose sum is σ = 2108430720. Its totient is φ = 472780800.

The previous prime is 1166431501. The next prime is 1166431547. The reversal of 1166431546 is 6451346611.

It is not an unprimeable number, because it can be changed into a prime (1166431547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167086 + ... + 173926.

It is an arithmetic number, because the mean of its divisors is an integer number (65888460).

Almost surely, 2^1166431546 is an apocalyptic number.

1166431546 is a deficient number, since it is larger than the sum of its proper divisors (941999174).

1166431546 is a wasteful number, since it uses less digits than its factorization.

1166431546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510.

The product of its digits is 51840, while the sum is 37.

The square root of 1166431546 is about 34153.0605656360. The cubic root of 1166431546 is about 1052.6558754924.

The spelling of 1166431546 in words is "one billion, one hundred sixty-six million, four hundred thirty-one thousand, five hundred forty-six".