665132633024 has 56 divisors (see below), whose sum is σ = 1363190007168. Its totient is φ = 321796258560.

The previous prime is 665132632999. The next prime is 665132633069. The reversal of 665132633024 is 420336231566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834932 + ... + 1423859.

Almost surely, 2^665132633024 is an apocalyptic number.

665132633024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

665132633024 is an abundant number, since it is smaller than the sum of its proper divisors (698057374144).

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

665132633024 is a wasteful number, since it uses less digits than its factorization.

665132633024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258953 (or 2258943 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 665132633024 in words is "six hundred sixty-five billion, one hundred thirty-two million, six hundred thirty-three thousand, twenty-four".