64655120163 has 8 divisors (see below), whose sum is σ = 89954949888. Its totient is φ = 41229351944.

The previous prime is 64655120093. The next prime is 64655120203. The reversal of 64655120163 is 36102155646.

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

It is a cyclic number.

It is not a de Polignac number, because 64655120163 - 2¹² = 64655116067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64655120263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468515295 + ... + 468515432.

It is an arithmetic number, because the mean of its divisors is an integer number (11244368736).

Almost surely, 2^64655120163 is an apocalyptic number.

64655120163 is a deficient number, since it is larger than the sum of its proper divisors (25299829725).

64655120163 is a wasteful number, since it uses less digits than its factorization.

64655120163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937030753.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 64655120163 in words is "sixty-four billion, six hundred fifty-five million, one hundred twenty thousand, one hundred sixty-three".