32730521966 has 4 divisors (see below), whose sum is σ = 49095782952. Its totient is φ = 16365260982.

The previous prime is 32730521939. The next prime is 32730521977. The reversal of 32730521966 is 66912503723.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 8182630490 + ... + 8182630493.

It is an arithmetic number, because the mean of its divisors is an integer number (12273945738).

Almost surely, 2^32730521966 is an apocalyptic number.

32730521966 is a deficient number, since it is larger than the sum of its proper divisors (16365260986).

32730521966 is a wasteful number, since it uses less digits than its factorization.

32730521966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16365260985.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 32730521966 in words is "thirty-two billion, seven hundred thirty million, five hundred twenty-one thousand, nine hundred sixty-six".