3918386066 has 16 divisors (see below), whose sum is σ = 7112365056. Its totient is φ = 1580525376.

The previous prime is 3918386063. The next prime is 3918386107. The reversal of 3918386066 is 6606838193.

It is not an unprimeable number, because it can be changed into a prime (3918386063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231666 + ... + 8232141.

It is an arithmetic number, because the mean of its divisors is an integer number (444522816).

Almost surely, 2^3918386066 is an apocalyptic number.

3918386066 is a deficient number, since it is larger than the sum of its proper divisors (3193978990).

3918386066 is a wasteful number, since it uses less digits than its factorization.

3918386066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463833.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 3918386066 is about 62597.0132354572. The cubic root of 3918386066 is about 1576.5306112803.

The spelling of 3918386066 in words is "three billion, nine hundred eighteen million, three hundred eighty-six thousand, sixty-six".