2066751 has 6 divisors (see below), whose sum is σ = 2985320. Its totient is φ = 1377828.

The previous prime is 2066723. The next prime is 2066759. The reversal of 2066751 is 1576602.

It is not a de Polignac number, because 2066751 - 2¹⁰ = 2065727 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 (2066759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114811 + ... + 114828.

2^2066751 is an apocalyptic number.

2066751 is a deficient number, since it is larger than the sum of its proper divisors (918569).

2066751 is a wasteful number, since it uses less digits than its factorization.

2066751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229645 (or 229642 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2066751 is about 1437.6199080425. The cubic root of 2066751 is about 127.3784770596.

The spelling of 2066751 in words is "two million, sixty-six thousand, seven hundred fifty-one".