1966422853264 has 45 divisors (see below), whose sum is σ = 3893253613347. Its totient is φ = 962163023712.

The previous prime is 1966422853229. The next prime is 1966422853273. The reversal of 1966422853264 is 4623582246691.

The square root of 1966422853264 is 1402292.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1966422853199 and 1966422853208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 263627167 + ... + 263634625.

Almost surely, 2^{1966422853264} is an apocalyptic number.

1966422853264 is the 1402292-nd square number.

It is an amenable number.

1966422853264 is a deficient number, since it is larger than the sum of its proper divisors (1926830760083).

1966422853264 is an frugal number, since it uses more digits than its factorization.

1966422853264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020 (or 7508 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 58.

The spelling of 1966422853264 in words is "one trillion, nine hundred sixty-six billion, four hundred twenty-two million, eight hundred fifty-three thousand, two hundred sixty-four".