1966730936 has 8 divisors (see below), whose sum is σ = 3687620520. Its totient is φ = 983365464.

The previous prime is 1966730929. The next prime is 1966730939. The reversal of 1966730936 is 6390376691.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966730939) by changing a digit.

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, 122920676 + ... + 122920691.

It is an arithmetic number, because the mean of its divisors is an integer number (460952565).

Almost surely, 2^1966730936 is an apocalyptic number.

It is an amenable number.

1966730936 is a deficient number, since it is larger than the sum of its proper divisors (1720889584).

1966730936 is a wasteful number, since it uses less digits than its factorization.

1966730936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245841373 (or 245841369 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 1966730936 is about 44347.8402630838. The cubic root of 1966730936 is about 1252.8958855765.

The spelling of 1966730936 in words is "one billion, nine hundred sixty-six million, seven hundred thirty thousand, nine hundred thirty-six".