1966914682 has 4 divisors (see below), whose sum is σ = 2950372026. Its totient is φ = 983457340.

The previous prime is 1966914679. The next prime is 1966914721. The reversal of 1966914682 is 2864196691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2864196691 = 53 ⋅54041447.

It can be written as a sum of positive squares in only one way, i.e., 1811438721 + 155475961 = 42561^2 + 12469^2 .

It is a super-2 number, since 2×1966914682² = 7737506732534322248, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 491728669 + ... + 491728672.

Almost surely, 2^1966914682 is an apocalyptic number.

1966914682 is a deficient number, since it is larger than the sum of its proper divisors (983457344).

1966914682 is an equidigital number, since it uses as much as digits as its factorization.

1966914682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983457343.

The product of its digits is 1119744, while the sum is 52.

The square root of 1966914682 is about 44349.9118601153. The cubic root of 1966914682 is about 1252.9349025113.

The spelling of 1966914682 in words is "one billion, nine hundred sixty-six million, nine hundred fourteen thousand, six hundred eighty-two".