2001277066 has 8 divisors (see below), whose sum is σ = 3105430020. Its totient is φ = 966133728.

The previous prime is 2001277027. The next prime is 2001277067. The reversal of 2001277066 is 6607721002.

It can be written as a sum of positive squares in 2 ways, for example, as 1919754225 + 81522841 = 43815^2 + 9029^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2001277067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17252331 + ... + 17252446.

Almost surely, 2^2001277066 is an apocalyptic number.

2001277066 is a deficient number, since it is larger than the sum of its proper divisors (1104152954).

2001277066 is a wasteful number, since it uses less digits than its factorization.

2001277066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34504808.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2001277066 is about 44735.6353034133. The cubic root of 2001277066 is about 1260.1891598932.

Adding to 2001277066 its reverse (6607721002), we get a palindrome (8608998068).

The spelling of 2001277066 in words is "two billion, one million, two hundred seventy-seven thousand, sixty-six".