2170680716 has 12 divisors (see below), whose sum is σ = 3800981688. Its totient is φ = 1084685952.

The previous prime is 2170680697. The next prime is 2170680761. The reversal of 2170680716 is 6170860712.

It is a self number, because there is not a number n which added to its sum of digits gives 2170680716.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156101 + ... + 169436.

It is an arithmetic number, because the mean of its divisors is an integer number (316748474).

Almost surely, 2^2170680716 is an apocalyptic number.

It is an amenable number.

2170680716 is a deficient number, since it is larger than the sum of its proper divisors (1630300972).

2170680716 is a wasteful number, since it uses less digits than its factorization.

2170680716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327208 (or 327206 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 2170680716 is about 46590.5646671083. The cubic root of 2170680716 is about 1294.7879511479.

The spelling of 2170680716 in words is "two billion, one hundred seventy million, six hundred eighty thousand, seven hundred sixteen".