1966333716 has 36 divisors (see below), whose sum is σ = 4975288500. Its totient is φ = 654807168.

The previous prime is 1966333709. The next prime is 1966333717. The reversal of 1966333716 is 6173336691.

1966333716 is a `hidden beast` number, since 1 + 9 + 6 + 633 + 3 + 7 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1769043600 + 197290116 = 42060^2 + 14046^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966333717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11730 + ... + 63798.

Almost surely, 2^1966333716 is an apocalyptic number.

It is an amenable number.

1966333716 is an abundant number, since it is smaller than the sum of its proper divisors (3008954784).

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

1966333716 is a wasteful number, since it uses less digits than its factorization.

1966333716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53128 (or 53123 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 1966333716 is about 44343.3615775800. The cubic root of 1966333716 is about 1252.8115309073.

The spelling of 1966333716 in words is "one billion, nine hundred sixty-six million, three hundred thirty-three thousand, seven hundred sixteen".