32620947866 has 32 divisors (see below), whose sum is σ = 53264119440. Its totient is φ = 14894171136.

The previous prime is 32620947851. The next prime is 32620947869. The reversal of 32620947866 is 66874902623.

It can be written as a sum of positive squares in 8 ways, for example, as 6061401025 + 26559546841 = 77855^2 + 162971^2 .

It is not an unprimeable number, because it can be changed into a prime (32620947869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917330 + ... + 952226.

Almost surely, 2^32620947866 is an apocalyptic number.

32620947866 is a deficient number, since it is larger than the sum of its proper divisors (20643171574).

32620947866 is a wasteful number, since it uses less digits than its factorization.

32620947866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35298.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 32620947866 in words is "thirty-two billion, six hundred twenty million, nine hundred forty-seven thousand, eight hundred sixty-six".