2666356001 has 2 divisors, whose sum is σ = 2666356002. Its totient is φ = 2666356000.

The previous prime is 2666355949. The next prime is 2666356031. The reversal of 2666356001 is 1006536662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2074893601 + 591462400 = 45551^2 + 24320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666356001 - 2²⁶ = 2599247137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2666356031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333178000 + 1333178001.

It is an arithmetic number, because the mean of its divisors is an integer number (1333178001).

Almost surely, 2^2666356001 is an apocalyptic number.

It is an amenable number.

2666356001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666356001 is an equidigital number, since it uses as much as digits as its factorization.

2666356001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2666356001 is about 51636.7698544361. The cubic root of 2666356001 is about 1386.6686957243.

The spelling of 2666356001 in words is "two billion, six hundred sixty-six million, three hundred fifty-six thousand, one".