3801866602667 has 4 divisors (see below), whose sum is σ = 4344990403056. Its totient is φ = 3258742802280.

The previous prime is 3801866602663. The next prime is 3801866602673. The reversal of 3801866602667 is 7662066681083.

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

It is not a de Polignac number, because 3801866602667 - 2² = 3801866602663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801866602663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271561900184 + ... + 271561900197.

It is an arithmetic number, because the mean of its divisors is an integer number (1086247600764).

Almost surely, 2^{3801866602667} is an apocalyptic number.

3801866602667 is a deficient number, since it is larger than the sum of its proper divisors (543123800389).

3801866602667 is an equidigital number, since it uses as much as digits as its factorization.

3801866602667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543123800388.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 3801866602667 in words is "three trillion, eight hundred one billion, eight hundred sixty-six million, six hundred two thousand, six hundred sixty-seven".