2082881257066 has 4 divisors (see below), whose sum is σ = 3124321885602. Its totient is φ = 1041440628532.

The previous prime is 2082881257049. The next prime is 2082881257087. The reversal of 2082881257066 is 6607521882802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1825295571225 + 257585685841 = 1351035^2 + 507529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2082881256998 and 2082881257016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520720314265 + ... + 520720314268.

Almost surely, 2^{2082881257066} is an apocalyptic number.

2082881257066 is a deficient number, since it is larger than the sum of its proper divisors (1041440628536).

2082881257066 is a wasteful number, since it uses less digits than its factorization.

2082881257066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041440628535.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 2082881257066 in words is "two trillion, eighty-two billion, eight hundred eighty-one million, two hundred fifty-seven thousand, sixty-six".