3786418666 has 8 divisors (see below), whose sum is σ = 5748057504. Its totient is φ = 1870399500.

The previous prime is 3786418661. The next prime is 3786418679. The reversal of 3786418666 is 6668146873.

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

It is not an unprimeable number, because it can be changed into a prime (3786418661) 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, 11404710 + ... + 11405041.

It is an arithmetic number, because the mean of its divisors is an integer number (718507188).

Almost surely, 2^3786418666 is an apocalyptic number.

3786418666 is a deficient number, since it is larger than the sum of its proper divisors (1961638838).

3786418666 is a wasteful number, since it uses less digits than its factorization.

3786418666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22809836.

The product of its digits is 6967296, while the sum is 55.

The square root of 3786418666 is about 61533.8822601012. The cubic root of 3786418666 is about 1558.6294485000.

The spelling of 3786418666 in words is "three billion, seven hundred eighty-six million, four hundred eighteen thousand, six hundred sixty-six".