6616555132 has 12 divisors (see below), whose sum is σ = 12631605336. Its totient is φ = 3007525040.

The previous prime is 6616555129. The next prime is 6616555163. The reversal of 6616555132 is 2315556166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75188083 + ... + 75188170.

It is an arithmetic number, because the mean of its divisors is an integer number (1052633778).

Almost surely, 2^6616555132 is an apocalyptic number.

It is an amenable number.

6616555132 is a deficient number, since it is larger than the sum of its proper divisors (6015050204).

6616555132 is a wasteful number, since it uses less digits than its factorization.

6616555132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150376268 (or 150376266 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 6616555132 is about 81342.2100265293. The cubic root of 6616555132 is about 1877.3445167261.

The spelling of 6616555132 in words is "six billion, six hundred sixteen million, five hundred fifty-five thousand, one hundred thirty-two".