3666161712 has 40 divisors (see below), whose sum is σ = 9505899520. Its totient is φ = 1217540160.

The previous prime is 3666161693. The next prime is 3666161749. The reversal of 3666161712 is 2171616663.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127912 + ... + 153927.

It is an arithmetic number, because the mean of its divisors is an integer number (237647488).

Almost surely, 2^3666161712 is an apocalyptic number.

It is an amenable number.

3666161712 is an abundant number, since it is smaller than the sum of its proper divisors (5839737808).

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

3666161712 is a wasteful number, since it uses less digits than its factorization.

3666161712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282121 (or 282115 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 3666161712 is about 60548.8374124557. The cubic root of 3666161712 is about 1541.9508800199.

The spelling of 3666161712 in words is "three billion, six hundred sixty-six million, one hundred sixty-one thousand, seven hundred twelve".