1966467907 has 2 divisors, whose sum is σ = 1966467908. Its totient is φ = 1966467906.

The previous prime is 1966467887. The next prime is 1966467917. The reversal of 1966467907 is 7097646691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1966467907 - 2⁷ = 1966467779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1966467917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983233953 + 983233954.

It is an arithmetic number, because the mean of its divisors is an integer number (983233954).

Almost surely, 2^1966467907 is an apocalyptic number.

1966467907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966467907 is an equidigital number, since it uses as much as digits as its factorization.

1966467907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 1966467907 is about 44344.8746418343. The cubic root of 1966467907 is about 1252.8400293266.

It can be divided in two parts, 19664 and 67907, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 1966467907 in words is "one billion, nine hundred sixty-six million, four hundred sixty-seven thousand, nine hundred seven".