2001312766 has 16 divisors (see below), whose sum is σ = 3087958608. Its totient is φ = 972388800.

The previous prime is 2001312757. The next prime is 2001312779. The reversal of 2001312766 is 6672131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88695 + ... + 108946.

It is an arithmetic number, because the mean of its divisors is an integer number (192997413).

Almost surely, 2^2001312766 is an apocalyptic number.

2001312766 is a deficient number, since it is larger than the sum of its proper divisors (1086645842).

2001312766 is a wasteful number, since it uses less digits than its factorization.

2001312766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197787.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2001312766 is about 44736.0343123974. The cubic root of 2001312766 is about 1260.1966531894.

Adding to 2001312766 its reverse (6672131002), we get a palindrome (8673443768).

The spelling of 2001312766 in words is "two billion, one million, three hundred twelve thousand, seven hundred sixty-six".