1166745852 has 18 divisors (see below), whose sum is σ = 2949274328. Its totient is φ = 388915272.

The previous prime is 1166745823. The next prime is 1166745859. The reversal of 1166745852 is 2585476611.

1166745852 is a `hidden beast` number, since 1 + 1 + 6 + 67 + 4 + 585 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1166745852² = 2722591766318411808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166745798 and 1166745807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166745859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16204768 + ... + 16204839.

Almost surely, 2^1166745852 is an apocalyptic number.

1166745852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166745852 is an abundant number, since it is smaller than the sum of its proper divisors (1782528476).

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

1166745852 is a wasteful number, since it uses less digits than its factorization.

1166745852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32409617 (or 32409612 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1166745852 is about 34157.6616881191. The cubic root of 1166745852 is about 1052.7504163582.

The spelling of 1166745852 in words is "one billion, one hundred sixty-six million, seven hundred forty-five thousand, eight hundred fifty-two".