3780871155166 has 32 divisors (see below), whose sum is σ = 6864613624512. Its totient is φ = 1524644851200.

The previous prime is 3780871155163. The next prime is 3780871155169. The reversal of 3780871155166 is 6615511780873.

It is an interprime number because it is at equal distance from previous prime (3780871155163) and next prime (3780871155169).

It is a self number, because there is not a number n which added to its sum of digits gives 3780871155166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780871155161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265341 + ... + 3027016.

It is an arithmetic number, because the mean of its divisors is an integer number (214519175766).

Almost surely, 2^{3780871155166} is an apocalyptic number.

3780871155166 is a deficient number, since it is larger than the sum of its proper divisors (3083742469346).

3780871155166 is a wasteful number, since it uses less digits than its factorization.

3780871155166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296084.

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 3780871155166 in words is "three trillion, seven hundred eighty billion, eight hundred seventy-one million, one hundred fifty-five thousand, one hundred sixty-six".