1166994552 has 32 divisors (see below), whose sum is σ = 2919098880. Its totient is φ = 388783200.

The previous prime is 1166994551. The next prime is 1166994581. The reversal of 1166994552 is 2554996611.

1166994552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166994551) 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, 34363 + ... + 59285.

It is an arithmetic number, because the mean of its divisors is an integer number (91221840).

Almost surely, 2^1166994552 is an apocalyptic number.

1166994552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166994552 is an abundant number, since it is smaller than the sum of its proper divisors (1752104328).

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

1166994552 is a wasteful number, since it uses less digits than its factorization.

1166994552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26883 (or 26879 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 1166994552 is about 34161.3019658209. The cubic root of 1166994552 is about 1052.8252114039.

The spelling of 1166994552 in words is "one billion, one hundred sixty-six million, nine hundred ninety-four thousand, five hundred fifty-two".