64426462666 has 8 divisors (see below), whose sum is σ = 96748647840. Its totient is φ = 32176913388.

The previous prime is 64426462663. The next prime is 64426462679. The reversal of 64426462666 is 66626462446.

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

It is not an unprimeable number, because it can be changed into a prime (64426462663) by changing a digit.

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, 18156756 + ... + 18160303.

It is an arithmetic number, because the mean of its divisors is an integer number (12093580980).

Almost surely, 2^64426462666 is an apocalyptic number.

64426462666 is a deficient number, since it is larger than the sum of its proper divisors (32322185174).

64426462666 is a wasteful number, since it uses less digits than its factorization.

64426462666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36317948.

The product of its digits is 11943936, while the sum is 52.

The spelling of 64426462666 in words is "sixty-four billion, four hundred twenty-six million, four hundred sixty-two thousand, six hundred sixty-six".