3665381863006 has 16 divisors (see below), whose sum is σ = 5511450243600. Its totient is φ = 1828232188288.

The previous prime is 3665381862997. The next prime is 3665381863061. The reversal of 3665381863006 is 6003681835663.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20469510 + ... + 20647798.

It is an arithmetic number, because the mean of its divisors is an integer number (344465640225).

Almost surely, 2^{3665381863006} is an apocalyptic number.

3665381863006 is a deficient number, since it is larger than the sum of its proper divisors (1846068380594).

3665381863006 is a wasteful number, since it uses less digits than its factorization.

3665381863006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203243.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 3665381863006 in words is "three trillion, six hundred sixty-five billion, three hundred eighty-one million, eight hundred sixty-three thousand, six".