1680492607 has 2 divisors, whose sum is σ = 1680492608. Its totient is φ = 1680492606.

The previous prime is 1680492581. The next prime is 1680492613. The reversal of 1680492607 is 7062940861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1680492607 - 2²³ = 1672103999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680492637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840246303 + 840246304.

It is an arithmetic number, because the mean of its divisors is an integer number (840246304).

Almost surely, 2^1680492607 is an apocalyptic number.

1680492607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680492607 is an equidigital number, since it uses as much as digits as its factorization.

1680492607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1680492607 is about 40993.8118134920. The cubic root of 1680492607 is about 1188.9005703711.

The spelling of 1680492607 in words is "one billion, six hundred eighty million, four hundred ninety-two thousand, six hundred seven".