64770596066 has 8 divisors (see below), whose sum is σ = 105988248144. Its totient is φ = 29441180020.

The previous prime is 64770596053. The next prime is 64770596089. The reversal of 64770596066 is 66069507746.

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

It is a super-2 number, since 2×64770596066² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1472058980 + ... + 1472059023.

It is an arithmetic number, because the mean of its divisors is an integer number (13248531018).

Almost surely, 2^64770596066 is an apocalyptic number.

64770596066 is a deficient number, since it is larger than the sum of its proper divisors (41217652078).

64770596066 is a wasteful number, since it uses less digits than its factorization.

64770596066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944118016.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 64770596066 in words is "sixty-four billion, seven hundred seventy million, five hundred ninety-six thousand, sixty-six".