2661116053 has 8 divisors (see below), whose sum is σ = 2682938016. Its totient is φ = 2639317200.

The previous prime is 2661116047. The next prime is 2661116057. The reversal of 2661116053 is 3506111662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2661116053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661116057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283983 + ... + 293203.

It is an arithmetic number, because the mean of its divisors is an integer number (335367252).

Almost surely, 2^2661116053 is an apocalyptic number.

It is an amenable number.

2661116053 is a deficient number, since it is larger than the sum of its proper divisors (21821963).

2661116053 is a wasteful number, since it uses less digits than its factorization.

2661116053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2661116053 is about 51586.0063680064. The cubic root of 2661116053 is about 1385.7597352249.

The spelling of 2661116053 in words is "two billion, six hundred sixty-one million, one hundred sixteen thousand, fifty-three".