64054006646 has 16 divisors (see below), whose sum is σ = 109989589920. Its totient is φ = 27406036800.

The previous prime is 64054006637. The next prime is 64054006651. The reversal of 64054006646 is 64660045046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797981 + ... + 3814808.

It is an arithmetic number, because the mean of its divisors is an integer number (6874349370).

Almost surely, 2^64054006646 is an apocalyptic number.

64054006646 is a deficient number, since it is larger than the sum of its proper divisors (45935583274).

64054006646 is a wasteful number, since it uses less digits than its factorization.

64054006646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613399.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 64054006646 in words is "sixty-four billion, fifty-four million, six thousand, six hundred forty-six".