3855918532366 has 32 divisors (see below), whose sum is σ = 6596512432128. Its totient is φ = 1679667496320.

The previous prime is 3855918532351. The next prime is 3855918532381. The reversal of 3855918532366 is 6632358195583.

It is an interprime number because it is at equal distance from previous prime (3855918532351) and next prime (3855918532381).

It is a junction number, because it is equal to n+sod(n) for n = 3855918532298 and 3855918532307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79505470 + ... + 79553953.

It is an arithmetic number, because the mean of its divisors is an integer number (206141013504).

Almost surely, 2^{3855918532366} is an apocalyptic number.

3855918532366 is a deficient number, since it is larger than the sum of its proper divisors (2740593899762).

3855918532366 is a wasteful number, since it uses less digits than its factorization.

3855918532366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159059496.

The product of its digits is 139968000, while the sum is 64.

The spelling of 3855918532366 in words is "three trillion, eight hundred fifty-five billion, nine hundred eighteen million, five hundred thirty-two thousand, three hundred sixty-six".