1966250510822 has 32 divisors (see below), whose sum is σ = 3183305922720. Its totient is φ = 905485754880.

The previous prime is 1966250510759. The next prime is 1966250510989. The reversal of 1966250510822 is 2280150526691.

It is a super-2 number, since 2×1966250510822² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 39965054 + ... + 40014222.

It is an arithmetic number, because the mean of its divisors is an integer number (99478310085).

Almost surely, 2^{1966250510822} is an apocalyptic number.

1966250510822 is a deficient number, since it is larger than the sum of its proper divisors (1217055411898).

1966250510822 is a wasteful number, since it uses less digits than its factorization.

1966250510822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52568.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 1966250510822 in words is "one trillion, nine hundred sixty-six billion, two hundred fifty million, five hundred ten thousand, eight hundred twenty-two".