63155128966 has 8 divisors (see below), whose sum is σ = 94735687464. Its totient is φ = 31576566480.

The previous prime is 63155128931. The next prime is 63155128973. The reversal of 63155128966 is 66982155136.

63155128966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417220 + ... + 548071.

It is an arithmetic number, because the mean of its divisors is an integer number (11841960933).

Almost surely, 2^63155128966 is an apocalyptic number.

63155128966 is a deficient number, since it is larger than the sum of its proper divisors (31580558498).

63155128966 is a wasteful number, since it uses less digits than its factorization.

63155128966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998006.

The product of its digits is 2332800, while the sum is 52.

The spelling of 63155128966 in words is "sixty-three billion, one hundred fifty-five million, one hundred twenty-eight thousand, nine hundred sixty-six".