6161660503 has 2 divisors, whose sum is σ = 6161660504. Its totient is φ = 6161660502.

The previous prime is 6161660501. The next prime is 6161660507. The reversal of 6161660503 is 3050661616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6161660503 - 2¹ = 6161660501 is a prime.

Together with 6161660501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161660501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080830251 + 3080830252.

It is an arithmetic number, because the mean of its divisors is an integer number (3080830252).

Almost surely, 2^6161660503 is an apocalyptic number.

6161660503 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161660503 is an equidigital number, since it uses as much as digits as its factorization.

6161660503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 6161660503 is about 78496.2451522364. The cubic root of 6161660503 is about 1833.2959903542.

The spelling of 6161660503 in words is "six billion, one hundred sixty-one million, six hundred sixty thousand, five hundred three".