1660847063 has 2 divisors, whose sum is σ = 1660847064. Its totient is φ = 1660847062.

The previous prime is 1660847051. The next prime is 1660847107. The reversal of 1660847063 is 3607480661.

It is a weak prime.

It is an emirp because it is prime and its reverse (3607480661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1660847063 - 2²² = 1656652759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1660847063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660847033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830423531 + 830423532.

It is an arithmetic number, because the mean of its divisors is an integer number (830423532).

Almost surely, 2^1660847063 is an apocalyptic number.

1660847063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660847063 is an equidigital number, since it uses as much as digits as its factorization.

1660847063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1660847063 is about 40753.4914209813. The cubic root of 1660847063 is about 1184.2495115644.

The spelling of 1660847063 in words is "one billion, six hundred sixty million, eight hundred forty-seven thousand, sixty-three".