665234442532 has 96 divisors (see below), whose sum is σ = 1393111923840. Its totient is φ = 274374912000.

The previous prime is 665234442527. The next prime is 665234442569. The reversal of 665234442532 is 235244432566.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14966982 + ... + 15011362.

It is an arithmetic number, because the mean of its divisors is an integer number (14511582540).

Almost surely, 2^665234442532 is an apocalyptic number.

It is an amenable number.

665234442532 is an abundant number, since it is smaller than the sum of its proper divisors (727877481308).

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

665234442532 is a wasteful number, since it uses less digits than its factorization.

665234442532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45133 (or 45131 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 46.

The spelling of 665234442532 in words is "six hundred sixty-five billion, two hundred thirty-four million, four hundred forty-two thousand, five hundred thirty-two".