3861553316 has 24 divisors (see below), whose sum is σ = 7047645696. Its totient is φ = 1849224960.

The previous prime is 3861553309. The next prime is 3861553357. The reversal of 3861553316 is 6133551683.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148496 + ... + 172551.

It is an arithmetic number, because the mean of its divisors is an integer number (293651904).

Almost surely, 2^3861553316 is an apocalyptic number.

It is an amenable number.

3861553316 is a deficient number, since it is larger than the sum of its proper divisors (3186092380).

3861553316 is a wasteful number, since it uses less digits than its factorization.

3861553316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321179 (or 321177 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 3861553316 is about 62141.3977634877. The cubic root of 3861553316 is about 1568.8713968245.

The spelling of 3861553316 in words is "three billion, eight hundred sixty-one million, five hundred fifty-three thousand, three hundred sixteen".