2028672053666 has 8 divisors (see below), whose sum is σ = 3043138021824. Its totient is φ = 1014292713060.

The previous prime is 2028672053599. The next prime is 2028672053671. The reversal of 2028672053666 is 6663502768202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21598310 + ... + 21692033.

It is an arithmetic number, because the mean of its divisors is an integer number (380392252728).

Almost surely, 2^{2028672053666} is an apocalyptic number.

2028672053666 is a deficient number, since it is larger than the sum of its proper divisors (1014465968158).

2028672053666 is a wasteful number, since it uses less digits than its factorization.

2028672053666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43313776.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 2028672053666 in words is "two trillion, twenty-eight billion, six hundred seventy-two million, fifty-three thousand, six hundred sixty-six".