1166017045 has 16 divisors (see below), whose sum is σ = 1411396272. Its totient is φ = 924733440.

The previous prime is 1166017003. The next prime is 1166017049. The reversal of 1166017045 is 5407106611.

It can be written as a sum of positive squares in 8 ways, for example, as 207619281 + 958397764 = 14409^2 + 30958^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1166017045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166016998 and 1166017016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166017049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278689 + ... + 282841.

It is an arithmetic number, because the mean of its divisors is an integer number (88212267).

Almost surely, 2^1166017045 is an apocalyptic number.

It is an amenable number.

1166017045 is a deficient number, since it is larger than the sum of its proper divisors (245379227).

1166017045 is a wasteful number, since it uses less digits than its factorization.

1166017045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1166017045 is about 34146.9917415868. The cubic root of 1166017045 is about 1052.5311707583.

The spelling of 1166017045 in words is "one billion, one hundred sixty-six million, seventeen thousand, forty-five".