1680111463 has 2 divisors, whose sum is σ = 1680111464. Its totient is φ = 1680111462.

The previous prime is 1680111457. The next prime is 1680111469. The reversal of 1680111463 is 3641110861.

It is a balanced prime because it is at equal distance from previous prime (1680111457) and next prime (1680111469).

It is a cyclic number.

It is not a de Polignac number, because 1680111463 - 2⁵ = 1680111431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680111469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840055731 + 840055732.

It is an arithmetic number, because the mean of its divisors is an integer number (840055732).

Almost surely, 2^1680111463 is an apocalyptic number.

1680111463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680111463 is an equidigital number, since it uses as much as digits as its factorization.

1680111463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1680111463 is about 40989.1627506589. The cubic root of 1680111463 is about 1188.8106807400.

The spelling of 1680111463 in words is "one billion, six hundred eighty million, one hundred eleven thousand, four hundred sixty-three".