1966938348 has 12 divisors (see below), whose sum is σ = 4589522840. Its totient is φ = 655646112.

The previous prime is 1966938343. The next prime is 1966938409. The reversal of 1966938348 is 8438396691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1966938343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81955753 + ... + 81955776.

Almost surely, 2^1966938348 is an apocalyptic number.

It is an amenable number.

1966938348 is an abundant number, since it is smaller than the sum of its proper divisors (2622584492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1966938348 is a wasteful number, since it uses less digits than its factorization.

1966938348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163911536 (or 163911534 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 1966938348 is about 44350.1786693132. The cubic root of 1966938348 is about 1252.9399276130.

The spelling of 1966938348 in words is "one billion, nine hundred sixty-six million, nine hundred thirty-eight thousand, three hundred forty-eight".