6181605858107 has 2 divisors, whose sum is σ = 6181605858108. Its totient is φ = 6181605858106.

The previous prime is 6181605858061. The next prime is 6181605858151. The reversal of 6181605858107 is 7018585061816.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6181605858107 is a prime.

It is not a weakly prime, because it can be changed into another prime (6181605858167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3090802929053 + 3090802929054.

It is an arithmetic number, because the mean of its divisors is an integer number (3090802929054).

Almost surely, 2^{6181605858107} is an apocalyptic number.

6181605858107 is a deficient number, since it is larger than the sum of its proper divisors (1).

6181605858107 is an equidigital number, since it uses as much as digits as its factorization.

6181605858107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 56.

The spelling of 6181605858107 in words is "six trillion, one hundred eighty-one billion, six hundred five million, eight hundred fifty-eight thousand, one hundred seven".