66664015150 has 24 divisors (see below), whose sum is σ = 124145078760. Its totient is φ = 26633345760.

The previous prime is 66664015141. The next prime is 66664015157. The reversal of 66664015150 is 5151046666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66664015157) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 764745 + ... + 847444.

It is an arithmetic number, because the mean of its divisors is an integer number (5172711615).

Almost surely, 2^66664015150 is an apocalyptic number.

66664015150 is a deficient number, since it is larger than the sum of its proper divisors (57481063610).

66664015150 is a wasteful number, since it uses less digits than its factorization.

66664015150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613028 (or 1613023 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 66664015150 in words is "sixty-six billion, six hundred sixty-four million, fifteen thousand, one hundred fifty".