3866646195 has 12 divisors (see below), whose sum is σ = 6702186816. Its totient is φ = 2062211280.

The previous prime is 3866646193. The next prime is 3866646197. The reversal of 3866646195 is 5916466683.

It is an interprime number because it is at equal distance from previous prime (3866646193) and next prime (3866646197).

It is not a de Polignac number, because 3866646195 - 2¹ = 3866646193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3866646193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42962691 + ... + 42962780.

It is an arithmetic number, because the mean of its divisors is an integer number (558515568).

Almost surely, 2^3866646195 is an apocalyptic number.

3866646195 is a deficient number, since it is larger than the sum of its proper divisors (2835540621).

3866646195 is a wasteful number, since it uses less digits than its factorization.

3866646195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85925482 (or 85925479 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 3866646195 is about 62182.3624108959. The cubic root of 3866646195 is about 1569.5608052474.

The spelling of 3866646195 in words is "three billion, eight hundred sixty-six million, six hundred forty-six thousand, one hundred ninety-five".