666014901552 has 1680 divisors, whose sum is σ = 2744962123680. Its totient is φ = 153628876800.

The previous prime is 666014901551. The next prime is 666014901557. The reversal of 666014901552 is 255109410666.

It is a junction number, because it is equal to n+sod(n) for n = 666014901498 and 666014901507.

It is not an unprimeable number, because it can be changed into a prime (666014901551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 2370159652 + ... + 2370159932.

It is an arithmetic number, because the mean of its divisors is an integer number (1633906026).

Almost surely, 2^666014901552 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 666014901552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372481061840).

666014901552 is an abundant number, since it is smaller than the sum of its proper divisors (2078947222128).

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

666014901552 is a wasteful number, since it uses less digits than its factorization.

666014901552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 666014901552 in words is "six hundred sixty-six billion, fourteen million, nine hundred one thousand, five hundred fifty-two".