66625035014 has 64 divisors (see below), whose sum is σ = 106420003200. Its totient is φ = 31239982080.

The previous prime is 66625035013. The next prime is 66625035023. The reversal of 66625035014 is 41053052666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66625035013) 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 31 ways as a sum of consecutive naturals, for example, 132455087 + ... + 132455589.

It is an arithmetic number, because the mean of its divisors is an integer number (1662812550).

Almost surely, 2^66625035014 is an apocalyptic number.

66625035014 is a deficient number, since it is larger than the sum of its proper divisors (39794968186).

66625035014 is a wasteful number, since it uses less digits than its factorization.

66625035014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 66625035014 in words is "sixty-six billion, six hundred twenty-five million, thirty-five thousand, fourteen".