2055720645626 has 64 divisors (see below), whose sum is σ = 3318208588800. Its totient is φ = 952346750976.

The previous prime is 2055720645617. The next prime is 2055720645673. The reversal of 2055720645626 is 6265460275502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132116435 + ... + 132131993.

It is an arithmetic number, because the mean of its divisors is an integer number (51847009200).

Almost surely, 2^{2055720645626} is an apocalyptic number.

2055720645626 is a deficient number, since it is larger than the sum of its proper divisors (1262487943174).

2055720645626 is a wasteful number, since it uses less digits than its factorization.

2055720645626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16083.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 2055720645626 in words is "two trillion, fifty-five billion, seven hundred twenty million, six hundred forty-five thousand, six hundred twenty-six".