1965564032 has 16 divisors (see below), whose sum is σ = 3915772350. Its totient is φ = 982781952.

The previous prime is 1965564031. The next prime is 1965564047. The reversal of 1965564032 is 2304655691.

It can be written as a sum of positive squares in only one way, i.e., 1820216896 + 145347136 = 42664^2 + 12056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1965564031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7677857 + ... + 7678112.

Almost surely, 2^1965564032 is an apocalyptic number.

It is an amenable number.

1965564032 is a deficient number, since it is larger than the sum of its proper divisors (1950208318).

1965564032 is an equidigital number, since it uses as much as digits as its factorization.

1965564032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15355983 (or 15355971 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 1965564032 is about 44334.6820446476. The cubic root of 1965564032 is about 1252.6480464786.

The spelling of 1965564032 in words is "one billion, nine hundred sixty-five million, five hundred sixty-four thousand, thirty-two".