3811020427666 has 8 divisors (see below), whose sum is σ = 5727460911984. Its totient is φ = 1901866790340.

The previous prime is 3811020427603. The next prime is 3811020427673. The reversal of 3811020427666 is 6667240201183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821710440 + ... + 1821712531.

It is an arithmetic number, because the mean of its divisors is an integer number (715932613998).

Almost surely, 2^{3811020427666} is an apocalyptic number.

3811020427666 is a deficient number, since it is larger than the sum of its proper divisors (1916440484318).

3811020427666 is a wasteful number, since it uses less digits than its factorization.

3811020427666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643423496.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 3811020427666 in words is "three trillion, eight hundred eleven billion, twenty million, four hundred twenty-seven thousand, six hundred sixty-six".