1611116073 has 12 divisors (see below), whose sum is σ = 2659620288. Its totient is φ = 920637720.

The previous prime is 1611116041. The next prime is 1611116081. The reversal of 1611116073 is 3706111161.

It is not a de Polignac number, because 1611116073 - 2⁵ = 1611116041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1611116173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12786573 + ... + 12786698.

It is an arithmetic number, because the mean of its divisors is an integer number (221635024).

Almost surely, 2^1611116073 is an apocalyptic number.

It is an amenable number.

1611116073 is a deficient number, since it is larger than the sum of its proper divisors (1048504215).

1611116073 is a wasteful number, since it uses less digits than its factorization.

1611116073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25573284 (or 25573281 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1611116073 is about 40138.7104052933. The cubic root of 1611116073 is about 1172.3094794874.

The spelling of 1611116073 in words is "one billion, six hundred eleven million, one hundred sixteen thousand, seventy-three".