1166344245 has 128 divisors (see below), whose sum is σ = 2448506880. Its totient is φ = 520381440.

The previous prime is 1166344219. The next prime is 1166344253. The reversal of 1166344245 is 5424436611.

1166344245 is a `hidden beast` number, since 1 + 16 + 634 + 4 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 1166344245 - 2⁶ = 1166344181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1186024 + ... + 1187006.

It is an arithmetic number, because the mean of its divisors is an integer number (19128960).

Almost surely, 2^1166344245 is an apocalyptic number.

1166344245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1166344245 is an abundant number, since it is smaller than the sum of its proper divisors (1282162635).

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

1166344245 is a wasteful number, since it uses less digits than its factorization.

1166344245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1066 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1166344245 is about 34151.7824571427. The cubic root of 1166344245 is about 1052.6296129987.

The spelling of 1166344245 in words is "one billion, one hundred sixty-six million, three hundred forty-four thousand, two hundred forty-five".