2066690754 has 32 divisors (see below), whose sum is σ = 4602536640. Its totient is φ = 687413376.

The previous prime is 2066690729. The next prime is 2066690767. The reversal of 2066690754 is 4570966602.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15759 + ... + 66194.

It is an arithmetic number, because the mean of its divisors is an integer number (143829270).

Almost surely, 2^2066690754 is an apocalyptic number.

2066690754 is an abundant number, since it is smaller than the sum of its proper divisors (2535845886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066690754 is a wasteful number, since it uses less digits than its factorization.

2066690754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82431 (or 82425 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 2066690754 is about 45460.8705811932. The cubic root of 2066690754 is about 1273.7723934912.

The spelling of 2066690754 in words is "two billion, sixty-six million, six hundred ninety thousand, seven hundred fifty-four".