1966845696 has 36 divisors (see below), whose sum is σ = 5234679912. Its totient is φ = 655614976.

The previous prime is 1966845679. The next prime is 1966845701. The reversal of 1966845696 is 6965486691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279731 + ... + 1281266.

Almost surely, 2^1966845696 is an apocalyptic number.

1966845696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1966845696 is an abundant number, since it is smaller than the sum of its proper divisors (3267834216).

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

1966845696 is an equidigital number, since it uses as much as digits as its factorization.

1966845696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561016 (or 2561002 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 60.

The square root of 1966845696 is about 44349.1341065415. The cubic root of 1966845696 is about 1252.9202541929.

The spelling of 1966845696 in words is "one billion, nine hundred sixty-six million, eight hundred forty-five thousand, six hundred ninety-six".