2001611241166 has 16 divisors (see below), whose sum is σ = 3041042673600. Its totient is φ = 987935521248.

The previous prime is 2001611241139. The next prime is 2001611241239. The reversal of 2001611241166 is 6611421161002.

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, 514705 + ... + 2065948.

It is an arithmetic number, because the mean of its divisors is an integer number (190065167100).

Almost surely, 2^{2001611241166} is an apocalyptic number.

2001611241166 is a deficient number, since it is larger than the sum of its proper divisors (1039431432434).

2001611241166 is a wasteful number, since it uses less digits than its factorization.

2001611241166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585643.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 2001611241166 in words is "two trillion, one billion, six hundred eleven million, two hundred forty-one thousand, one hundred sixty-six".