1666510151 has 2 divisors, whose sum is σ = 1666510152. Its totient is φ = 1666510150.

The previous prime is 1666510123. The next prime is 1666510163. The reversal of 1666510151 is 1510156661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1666510151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1666510171) by changing a digit.

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 as a sum of consecutive naturals, namely, 833255075 + 833255076.

It is an arithmetic number, because the mean of its divisors is an integer number (833255076).

Almost surely, 2^1666510151 is an apocalyptic number.

1666510151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1666510151 is an equidigital number, since it uses as much as digits as its factorization.

1666510151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1666510151 is about 40822.9120837796. The cubic root of 1666510151 is about 1185.5939863664.

It can be divided in two parts, 1666510 and 151, that added together give a palindrome (1666661).

The spelling of 1666510151 in words is "one billion, six hundred sixty-six million, five hundred ten thousand, one hundred fifty-one".