660455654232 has 96 divisors (see below), whose sum is σ = 1816161177600. Its totient is φ = 199997730240.

The previous prime is 660455654189. The next prime is 660455654249. The reversal of 660455654232 is 232456554066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4099833 + ... + 4257879.

It is an arithmetic number, because the mean of its divisors is an integer number (18918345600).

Almost surely, 2^660455654232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660455654232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908080588800).

660455654232 is an abundant number, since it is smaller than the sum of its proper divisors (1155705523368).

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

660455654232 is a wasteful number, since it uses less digits than its factorization.

660455654232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159517 (or 159502 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 660455654232 in words is "six hundred sixty billion, four hundred fifty-five million, six hundred fifty-four thousand, two hundred thirty-two".