66332041952 has 192 divisors, whose sum is σ = 151873118208. Its totient is φ = 28222656000.

The previous prime is 66332041949. The next prime is 66332041999. The reversal of 66332041952 is 25914023366.

66332041952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 95993927 + ... + 95994617.

It is an arithmetic number, because the mean of its divisors is an integer number (791005824).

Almost surely, 2^66332041952 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 66332041952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75936559104).

66332041952 is an abundant number, since it is smaller than the sum of its proper divisors (85541076256).

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

66332041952 is a wasteful number, since it uses less digits than its factorization.

66332041952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 66332041952 in words is "sixty-six billion, three hundred thirty-two million, forty-one thousand, nine hundred fifty-two".