7146866188 has 72 divisors (see below), whose sum is σ = 16707055680. Its totient is φ = 2637925920.

The previous prime is 7146866179. The next prime is 7146866189. The reversal of 7146866188 is 8816686417.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7146866189) 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, 46270 + ... + 128197.

It is an arithmetic number, because the mean of its divisors is an integer number (232042440).

Almost surely, 2^7146866188 is an apocalyptic number.

It is an amenable number.

7146866188 is an abundant number, since it is smaller than the sum of its proper divisors (9560189492).

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

7146866188 is a wasteful number, since it uses less digits than its factorization.

7146866188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174515 (or 174506 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 7146866188 is about 84539.1399766996. The cubic root of 7146866188 is about 1926.2170243496.

The spelling of 7146866188 in words is "seven billion, one hundred forty-six million, eight hundred sixty-six thousand, one hundred eighty-eight".