2034666661 has 16 divisors (see below), whose sum is σ = 2187570240. Its totient is φ = 1886526720.

The previous prime is 2034666649. The next prime is 2034666671. The reversal of 2034666661 is 1666664302.

It is not a de Polignac number, because 2034666661 - 2¹⁷ = 2034535589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034666671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443821 + ... + 448381.

It is an arithmetic number, because the mean of its divisors is an integer number (136723140).

Almost surely, 2^2034666661 is an apocalyptic number.

It is an amenable number.

2034666661 is a deficient number, since it is larger than the sum of its proper divisors (152903579).

2034666661 is a wasteful number, since it uses less digits than its factorization.

2034666661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2034666661 is about 45107.2794679528. The cubic root of 2034666661 is about 1267.1589333724.

The spelling of 2034666661 in words is "two billion, thirty-four million, six hundred sixty-six thousand, six hundred sixty-one".