2087101066 has 4 divisors (see below), whose sum is σ = 3130651602. Its totient is φ = 1043550532.

The previous prime is 2087101057. The next prime is 2087101123. The reversal of 2087101066 is 6601017802.

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., 1617728841 + 469372225 = 40221^2 + 21665^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521775265 + ... + 521775268.

Almost surely, 2^2087101066 is an apocalyptic number.

2087101066 is a deficient number, since it is larger than the sum of its proper divisors (1043550536).

2087101066 is a wasteful number, since it uses less digits than its factorization.

2087101066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043550535.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2087101066 is about 45684.8012581865. The cubic root of 2087101066 is about 1277.9518567324.

Adding to 2087101066 its reverse (6601017802), we get a palindrome (8688118868).

The spelling of 2087101066 in words is "two billion, eighty-seven million, one hundred one thousand, sixty-six".