1680771113 has 24 divisors (see below), whose sum is σ = 2106422784. Its totient is φ = 1312128000.

The previous prime is 1680771073. The next prime is 1680771121. The reversal of 1680771113 is 3111770861.

It is not a de Polignac number, because 1680771113 - 2⁸ = 1680770857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1680771163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49313 + ... + 76113.

It is an arithmetic number, because the mean of its divisors is an integer number (87767616).

Almost surely, 2^1680771113 is an apocalyptic number.

It is an amenable number.

1680771113 is a deficient number, since it is larger than the sum of its proper divisors (425651671).

1680771113 is a wasteful number, since it uses less digits than its factorization.

1680771113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26873 (or 26856 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 1680771113 is about 40997.2086000986. The cubic root of 1680771113 is about 1188.9662450926.

The spelling of 1680771113 in words is "one billion, six hundred eighty million, seven hundred seventy-one thousand, one hundred thirteen".