1966268075 has 6 divisors (see below), whose sum is σ = 2438172444. Its totient is φ = 1573014440.

The previous prime is 1966268069. The next prime is 1966268123. The reversal of 1966268075 is 5708626691.

It is not a de Polignac number, because 1966268075 - 2⁸ = 1966267819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39325337 + ... + 39325386.

It is an arithmetic number, because the mean of its divisors is an integer number (406362074).

Almost surely, 2^1966268075 is an apocalyptic number.

1966268075 is a deficient number, since it is larger than the sum of its proper divisors (471904369).

1966268075 is an equidigital number, since it uses as much as digits as its factorization.

1966268075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78650733 (or 78650728 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1966268075 is about 44342.6214267943. The cubic root of 1966268075 is about 1252.7975901206.

The spelling of 1966268075 in words is "one billion, nine hundred sixty-six million, two hundred sixty-eight thousand, seventy-five".