3668195887801 has 4 divisors (see below), whose sum is σ = 3718445146612. Its totient is φ = 3617946628992.

The previous prime is 3668195887757. The next prime is 3668195887819. The reversal of 3668195887801 is 1087885918663.

3668195887801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 757422090000 + 2910773797801 = 870300^2 + 1706099^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668195887801 - 2¹³ = 3668195879609 is a prime.

It is a super-2 number, since 2×3668195887801² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668195887831) 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 3 ways as a sum of consecutive naturals, for example, 25124629296 + ... + 25124629441.

It is an arithmetic number, because the mean of its divisors is an integer number (929611286653).

Almost surely, 2^{3668195887801} is an apocalyptic number.

It is an amenable number.

3668195887801 is a deficient number, since it is larger than the sum of its proper divisors (50249258811).

3668195887801 is an equidigital number, since it uses as much as digits as its factorization.

3668195887801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50249258810.

The product of its (nonzero) digits is 139345920, while the sum is 70.

The spelling of 3668195887801 in words is "three trillion, six hundred sixty-eight billion, one hundred ninety-five million, eight hundred eighty-seven thousand, eight hundred one".