6181605858123 has 6 divisors (see below), whose sum is σ = 8928986239524. Its totient is φ = 4121070572076.

The previous prime is 6181605858107. The next prime is 6181605858151. The reversal of 6181605858123 is 3218585061816.

6181605858123 is a `hidden beast` number, since 6 + 1 + 8 + 1 + 6 + 0 + 58 + 581 + 2 + 3 = 666.

It is not a de Polignac number, because 6181605858123 - 2⁴ = 6181605858107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6181605858123.

It is not an unprimeable number, because it can be changed into a prime (6181605858223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343422547665 + ... + 343422547682.

It is an arithmetic number, because the mean of its divisors is an integer number (1488164373254).

Almost surely, 2^{6181605858123} is an apocalyptic number.

6181605858123 is a deficient number, since it is larger than the sum of its proper divisors (2747380381401).

6181605858123 is a wasteful number, since it uses less digits than its factorization.

6181605858123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686845095353 (or 686845095350 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 6181605858123 in words is "six trillion, one hundred eighty-one billion, six hundred five million, eight hundred fifty-eight thousand, one hundred twenty-three".