3187201866 has 8 divisors (see below), whose sum is σ = 6374403744. Its totient is φ = 1062400620.

The previous prime is 3187201861. The next prime is 3187201879. The reversal of 3187201866 is 6681027813.

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

3187201866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3187201861) 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, 265600150 + ... + 265600161.

It is an arithmetic number, because the mean of its divisors is an integer number (796800468).

Almost surely, 2^3187201866 is an apocalyptic number.

3187201866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3187201866 is a wasteful number, since it uses less digits than its factorization.

3187201866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531200316.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3187201866 is about 56455.3085723566. The cubic root of 3187201866 is about 1471.6454442637.

The spelling of 3187201866 in words is "three billion, one hundred eighty-seven million, two hundred one thousand, eight hundred sixty-six".