2116561702 has 8 divisors (see below), whose sum is σ = 3179662200. Its totient is φ = 1056674304.

The previous prime is 2116561697. The next prime is 2116561703. The reversal of 2116561702 is 2071656112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116561703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801627 + ... + 804262.

It is an arithmetic number, because the mean of its divisors is an integer number (397457775).

Almost surely, 2^2116561702 is an apocalyptic number.

2116561702 is a deficient number, since it is larger than the sum of its proper divisors (1063100498).

2116561702 is a wasteful number, since it uses less digits than its factorization.

2116561702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606550.

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

The square root of 2116561702 is about 46006.1050513951. The cubic root of 2116561702 is about 1283.9367934874.

The spelling of 2116561702 in words is "two billion, one hundred sixteen million, five hundred sixty-one thousand, seven hundred two".