3156849186 has 48 divisors (see below), whose sum is σ = 6486840768. Its totient is φ = 1023876000.

The previous prime is 3156849181. The next prime is 3156849193. The reversal of 3156849186 is 6819486513.

It is a super-3 number, since 3×3156849186³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3156849181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13208455 + ... + 13208693.

It is an arithmetic number, because the mean of its divisors is an integer number (135142516).

Almost surely, 2^3156849186 is an apocalyptic number.

3156849186 is an abundant number, since it is smaller than the sum of its proper divisors (3329991582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156849186 is a wasteful number, since it uses less digits than its factorization.

3156849186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 456 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 3156849186 is about 56185.8450679528. The cubic root of 3156849186 is about 1466.9588950649.

The spelling of 3156849186 in words is "three billion, one hundred fifty-six million, eight hundred forty-nine thousand, one hundred eighty-six".