2066149807 has 2 divisors, whose sum is σ = 2066149808. Its totient is φ = 2066149806.

The previous prime is 2066149763. The next prime is 2066149817. The reversal of 2066149807 is 7089416602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066149807 is a prime.

It is a super-2 number, since 2×2066149807² = 8537950049932274498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066149817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033074903 + 1033074904.

It is an arithmetic number, because the mean of its divisors is an integer number (1033074904).

Almost surely, 2^2066149807 is an apocalyptic number.

2066149807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066149807 is an equidigital number, since it uses as much as digits as its factorization.

2066149807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2066149807 is about 45454.9206027246. The cubic root of 2066149807 is about 1273.6612490637.

The spelling of 2066149807 in words is "two billion, sixty-six million, one hundred forty-nine thousand, eight hundred seven".