1768105716 has 72 divisors (see below), whose sum is σ = 4478048064. Its totient is φ = 542730240.

The previous prime is 1768105673. The next prime is 1768105733. The reversal of 1768105716 is 6175018671.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1169401 + ... + 1170911.

It is an arithmetic number, because the mean of its divisors is an integer number (62195112).

Almost surely, 2^1768105716 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 1768105716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239024032).

1768105716 is an abundant number, since it is smaller than the sum of its proper divisors (2709942348).

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

1768105716 is a wasteful number, since it uses less digits than its factorization.

1768105716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1768105716 is about 42048.8491638000. The cubic root of 1768105716 is about 1209.2128195130.

The spelling of 1768105716 in words is "one billion, seven hundred sixty-eight million, one hundred five thousand, seven hundred sixteen".