2028672053665 has 16 divisors (see below), whose sum is σ = 2448229831488. Its totient is φ = 1613747077696.

The previous prime is 2028672053599. The next prime is 2028672053671. The reversal of 2028672053665 is 5663502768202.

It is a cyclic number.

It is not a de Polignac number, because 2028672053665 - 2⁷ = 2028672053537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913939 + ... + 2211928.

It is an arithmetic number, because the mean of its divisors is an integer number (153014364468).

Almost surely, 2^{2028672053665} is an apocalyptic number.

It is an amenable number.

2028672053665 is a deficient number, since it is larger than the sum of its proper divisors (419557777823).

2028672053665 is a wasteful number, since it uses less digits than its factorization.

2028672053665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126608.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 2028672053665 in words is "two trillion, twenty-eight billion, six hundred seventy-two million, fifty-three thousand, six hundred sixty-five".