2066354501 has 2 divisors, whose sum is σ = 2066354502. Its totient is φ = 2066354500.

The previous prime is 2066354491. The next prime is 2066354561. The reversal of 2066354501 is 1054536602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1396890625 + 669463876 = 37375^2 + 25874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066354501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066354561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033177250 + 1033177251.

It is an arithmetic number, because the mean of its divisors is an integer number (1033177251).

Almost surely, 2^2066354501 is an apocalyptic number.

It is an amenable number.

2066354501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066354501 is an equidigital number, since it uses as much as digits as its factorization.

2066354501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2066354501 is about 45457.1721623772. The cubic root of 2066354501 is about 1273.7033083255.

The spelling of 2066354501 in words is "two billion, sixty-six million, three hundred fifty-four thousand, five hundred one".