66541150328 has 32 divisors (see below), whose sum is σ = 125049225600. Its totient is φ = 33194779488.

The previous prime is 66541150309. The next prime is 66541150373. The reversal of 66541150328 is 82305114566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7225775 + ... + 7234977.

It is an arithmetic number, because the mean of its divisors is an integer number (3907788300).

Almost surely, 2^66541150328 is an apocalyptic number.

It is an amenable number.

66541150328 is a deficient number, since it is larger than the sum of its proper divisors (58508075272).

66541150328 is a wasteful number, since it uses less digits than its factorization.

66541150328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 66541150328 in words is "sixty-six billion, five hundred forty-one million, one hundred fifty thousand, three hundred twenty-eight".