1616117863 has 2 divisors, whose sum is σ = 1616117864. Its totient is φ = 1616117862.

The previous prime is 1616117851. The next prime is 1616117917. The reversal of 1616117863 is 3687116161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616117863 - 2²¹ = 1614020711 is a prime.

It is a super-2 number, since 2×1616117863² = 5223673894215373538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616117813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808058931 + 808058932.

It is an arithmetic number, because the mean of its divisors is an integer number (808058932).

Almost surely, 2^1616117863 is an apocalyptic number.

1616117863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616117863 is an equidigital number, since it uses as much as digits as its factorization.

1616117863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 1616117863 is about 40200.9684336087. The cubic root of 1616117863 is about 1173.5213905719.

The spelling of 1616117863 in words is "one billion, six hundred sixteen million, one hundred seventeen thousand, eight hundred sixty-three".