64636153222 has 32 divisors (see below), whose sum is σ = 102853618560. Its totient is φ = 30425398080.

The previous prime is 64636153217. The next prime is 64636153223. The reversal of 64636153222 is 22235163646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64636153223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 182229 + ... + 403087.

It is an arithmetic number, because the mean of its divisors is an integer number (3214175580).

Almost surely, 2^64636153222 is an apocalyptic number.

64636153222 is a deficient number, since it is larger than the sum of its proper divisors (38217465338).

64636153222 is a wasteful number, since it uses less digits than its factorization.

64636153222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221028.

The product of its digits is 311040, while the sum is 40.

The spelling of 64636153222 in words is "sixty-four billion, six hundred thirty-six million, one hundred fifty-three thousand, two hundred twenty-two".