660234336 has 24 divisors (see below), whose sum is σ = 1733115384. Its totient is φ = 220078080.

The previous prime is 660234331. The next prime is 660234349. The reversal of 660234336 is 633432066.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 660234297 and 660234306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660234331) 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, 3438625 + ... + 3438816.

It is an arithmetic number, because the mean of its divisors is an integer number (72213141).

Almost surely, 2^660234336 is an apocalyptic number.

It is an amenable number.

660234336 is an abundant number, since it is smaller than the sum of its proper divisors (1072881048).

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

660234336 is a wasteful number, since it uses less digits than its factorization.

660234336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877454 (or 6877446 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 660234336 is about 25695.0255107871. The cubic root of 660234336 is about 870.7618007089.

The spelling of 660234336 in words is "six hundred sixty million, two hundred thirty-four thousand, three hundred thirty-six".