6665432632 has 16 divisors (see below), whose sum is σ = 12500082000. Its totient is φ = 3332077440.

The previous prime is 6665432593. The next prime is 6665432633. The reversal of 6665432632 is 2362345666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665432633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33969 + ... + 120352.

It is an arithmetic number, because the mean of its divisors is an integer number (781255125).

Almost surely, 2^6665432632 is an apocalyptic number.

It is an amenable number.

6665432632 is a deficient number, since it is larger than the sum of its proper divisors (5834649368).

6665432632 is a wasteful number, since it uses less digits than its factorization.

6665432632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159726 (or 159722 counting only the distinct ones).

The product of its digits is 933120, while the sum is 43.

The square root of 6665432632 is about 81642.1008548898. The cubic root of 6665432632 is about 1881.9559234879.

The spelling of 6665432632 in words is "six billion, six hundred sixty-five million, four hundred thirty-two thousand, six hundred thirty-two".