1663276713 has 16 divisors (see below), whose sum is σ = 2547388800. Its totient is φ = 945616896.

The previous prime is 1663276711. The next prime is 1663276723. The reversal of 1663276713 is 3176723661.

It is a happy number.

It is not a de Polignac number, because 1663276713 - 2¹ = 1663276711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1663276711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196888 + ... + 205161.

It is an arithmetic number, because the mean of its divisors is an integer number (159211800).

Almost surely, 2^1663276713 is an apocalyptic number.

It is an amenable number.

1663276713 is a deficient number, since it is larger than the sum of its proper divisors (884112087).

1663276713 is a wasteful number, since it uses less digits than its factorization.

1663276713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402256.

The product of its digits is 190512, while the sum is 42.

The square root of 1663276713 is about 40783.2896294549. The cubic root of 1663276713 is about 1184.8267089793.

The spelling of 1663276713 in words is "one billion, six hundred sixty-three million, two hundred seventy-six thousand, seven hundred thirteen".