63425040166 has 16 divisors (see below), whose sum is σ = 99280422144. Its totient is φ = 30331745224.

The previous prime is 63425040149. The next prime is 63425040181. The reversal of 63425040166 is 66104052436.

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, 874215 + ... + 943981.

It is an arithmetic number, because the mean of its divisors is an integer number (6205026384).

Almost surely, 2^63425040166 is an apocalyptic number.

63425040166 is a deficient number, since it is larger than the sum of its proper divisors (35855381978).

63425040166 is a wasteful number, since it uses less digits than its factorization.

63425040166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89555.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 63425040166 in words is "sixty-three billion, four hundred twenty-five million, forty thousand, one hundred sixty-six".