1166552205 has 32 divisors (see below), whose sum is σ = 2297213184. Its totient is φ = 492258816.

The previous prime is 1166552201. The next prime is 1166552221. The reversal of 1166552205 is 5022556611.

It is not a de Polignac number, because 1166552205 - 2² = 1166552201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166552201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425944 + ... + 428673.

It is an arithmetic number, because the mean of its divisors is an integer number (71787912).

Almost surely, 2^1166552205 is an apocalyptic number.

1166552205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1166552205 is a deficient number, since it is larger than the sum of its proper divisors (1130660979).

1166552205 is a wasteful number, since it uses less digits than its factorization.

1166552205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854645.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1166552205 is about 34154.8269648669. The cubic root of 1166552205 is about 1052.6921708145.

The spelling of 1166552205 in words is "one billion, one hundred sixty-six million, five hundred fifty-two thousand, two hundred five".