1166025546 has 96 divisors (see below), whose sum is σ = 3115127808. Its totient is φ = 307607040.

The previous prime is 1166025541. The next prime is 1166025551. The reversal of 1166025546 is 6455206611.

1166025546 is a `hidden beast` number, since 1 + 1 + 6 + 602 + 5 + 5 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (1166025541) and next prime (1166025551).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166025546.

It is not an unprimeable number, because it can be changed into a prime (1166025541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108391 + ... + 118661.

It is an arithmetic number, because the mean of its divisors is an integer number (32449248).

Almost surely, 2^1166025546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166025546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557563904).

1166025546 is an abundant number, since it is smaller than the sum of its proper divisors (1949102262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166025546 is a wasteful number, since it uses less digits than its factorization.

1166025546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10353 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1166025546 is about 34147.1162179180. The cubic root of 1166025546 is about 1052.5337286242.

The spelling of 1166025546 in words is "one billion, one hundred sixty-six million, twenty-five thousand, five hundred forty-six".