1966884151 has 2 divisors, whose sum is σ = 1966884152. Its totient is φ = 1966884150.

The previous prime is 1966884133. The next prime is 1966884163. The reversal of 1966884151 is 1514886691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1966884151 - 2¹³ = 1966875959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1966884095 and 1966884104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966884851) 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, 983442075 + 983442076.

It is an arithmetic number, because the mean of its divisors is an integer number (983442076).

Almost surely, 2^1966884151 is an apocalyptic number.

1966884151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966884151 is an equidigital number, since it uses as much as digits as its factorization.

1966884151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 49.

The square root of 1966884151 is about 44349.5676529095. The cubic root of 1966884151 is about 1252.9284196758.

The spelling of 1966884151 in words is "one billion, nine hundred sixty-six million, eight hundred eighty-four thousand, one hundred fifty-one".