2064063215646 has 12 divisors (see below), whose sum is σ = 4472136967272. Its totient is φ = 688021071876.

The previous prime is 2064063215609. The next prime is 2064063215677. The reversal of 2064063215646 is 6465123604602.

It is a happy number.

2064063215646 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 0 + 63 + 21 + 564 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57335089306 + ... + 57335089341.

It is an arithmetic number, because the mean of its divisors is an integer number (372678080606).

Almost surely, 2^{2064063215646} is an apocalyptic number.

2064063215646 is an abundant number, since it is smaller than the sum of its proper divisors (2408073751626).

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

2064063215646 is a wasteful number, since it uses less digits than its factorization.

2064063215646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114670178655 (or 114670178652 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 2064063215646 in words is "two trillion, sixty-four billion, sixty-three million, two hundred fifteen thousand, six hundred forty-six".