665473327532 has 24 divisors (see below), whose sum is σ = 1274721298032. Its totient is φ = 302106427200.

The previous prime is 665473327489. The next prime is 665473327549. The reversal of 665473327532 is 235723374566.

It is a super-2 number, since 2×665473327532² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104894894 + ... + 104901237.

It is an arithmetic number, because the mean of its divisors is an integer number (53113387418).

Almost surely, 2^665473327532 is an apocalyptic number.

It is an amenable number.

665473327532 is a deficient number, since it is larger than the sum of its proper divisors (609247970500).

665473327532 is a wasteful number, since it uses less digits than its factorization.

665473327532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209796209 (or 209796207 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 53.

The spelling of 665473327532 in words is "six hundred sixty-five billion, four hundred seventy-three million, three hundred twenty-seven thousand, five hundred thirty-two".