63670066718 has 32 divisors (see below), whose sum is σ = 103828491360. Its totient is φ = 29210993280.

The previous prime is 63670066711. The next prime is 63670066727. The reversal of 63670066718 is 81766007636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63670066711) 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 15 ways as a sum of consecutive naturals, for example, 252713 + ... + 437268.

It is an arithmetic number, because the mean of its divisors is an integer number (3244640355).

Almost surely, 2^63670066718 is an apocalyptic number.

63670066718 is a deficient number, since it is larger than the sum of its proper divisors (40158424642).

63670066718 is a wasteful number, since it uses less digits than its factorization.

63670066718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690092.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 63670066718 in words is "sixty-three billion, six hundred seventy million, sixty-six thousand, seven hundred eighteen".