3520070081868 has 48 divisors (see below), whose sum is σ = 8222168747520. Its totient is φ = 1172118187200.

The previous prime is 3520070081863. The next prime is 3520070081897. The reversal of 3520070081868 is 8681800700253.

3520070081868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3520070081863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107924883 + ... + 107957493.

It is an arithmetic number, because the mean of its divisors is an integer number (171295182240).

Almost surely, 2^{3520070081868} is an apocalyptic number.

It is an amenable number.

3520070081868 is an abundant number, since it is smaller than the sum of its proper divisors (4702098665652).

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

3520070081868 is a wasteful number, since it uses less digits than its factorization.

3520070081868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41838 (or 41836 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 3520070081868 in words is "three trillion, five hundred twenty billion, seventy million, eighty-one thousand, eight hundred sixty-eight".