64000126656 has 42 divisors (see below), whose sum is σ = 183444809132. Its totient is φ = 21333375360.

The previous prime is 64000126649. The next prime is 64000126679. The reversal of 64000126656 is 65662100046.

It is a happy number.

64000126656 is a `hidden beast` number, since 640 + 0 + 0 + 1 + 2 + 6 + 6 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64000126656.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 55555090 + ... + 55556241.

Almost surely, 2^64000126656 is an apocalyptic number.

It is an amenable number.

64000126656 is an abundant number, since it is smaller than the sum of its proper divisors (119444682476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64000126656 is a wasteful number, since it uses less digits than its factorization.

64000126656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111349 (or 111111336 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 64000126656 in words is "sixty-four billion, one hundred twenty-six thousand, six hundred fifty-six".