1858362329768 has 384 divisors, whose sum is σ = 4492995840000. Its totient is φ = 719312348160.

The previous prime is 1858362329767. The next prime is 1858362329809. The reversal of 1858362329768 is 8679232638581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1858362329698 and 1858362329707.

It is not an unprimeable number, because it can be changed into a prime (1858362329767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2241691178 + ... + 2241692006.

It is an arithmetic number, because the mean of its divisors is an integer number (11700510000).

Almost surely, 2^{1858362329768} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1858362329768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246497920000).

1858362329768 is an abundant number, since it is smaller than the sum of its proper divisors (2634633510232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1858362329768 is a wasteful number, since it uses less digits than its factorization.

1858362329768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 961 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 68.

The spelling of 1858362329768 in words is "one trillion, eight hundred fifty-eight billion, three hundred sixty-two million, three hundred twenty-nine thousand, seven hundred sixty-eight".