64223621113016 has 8 divisors (see below), whose sum is σ = 120419289586920. Its totient is φ = 32111810556504.

The previous prime is 64223621112961. The next prime is 64223621113027. The reversal of 64223621113016 is 61031112632246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013976319556 + ... + 4013976319571.

It is an arithmetic number, because the mean of its divisors is an integer number (15052411198365).

Almost surely, 2^{64223621113016} is an apocalyptic number.

It is an amenable number.

64223621113016 is a deficient number, since it is larger than the sum of its proper divisors (56195668473904).

64223621113016 is a wasteful number, since it uses less digits than its factorization.

64223621113016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027952639133 (or 8027952639129 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 64223621113016 in words is "sixty-four trillion, two hundred twenty-three billion, six hundred twenty-one million, one hundred thirteen thousand, sixteen".