32661939685 has 8 divisors (see below), whose sum is σ = 39319551000. Its totient is φ = 26046069504.

The previous prime is 32661939601. The next prime is 32661939727. The reversal of 32661939685 is 58693916623.

It can be written as a sum of positive squares in 4 ways, for example, as 2365752321 + 30296187364 = 48639^2 + 174058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32661939685 - 2⁹ = 32661939173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10433560 + ... + 10436689.

It is an arithmetic number, because the mean of its divisors is an integer number (4914943875).

Almost surely, 2^32661939685 is an apocalyptic number.

It is an amenable number.

32661939685 is a deficient number, since it is larger than the sum of its proper divisors (6657611315).

32661939685 is a wasteful number, since it uses less digits than its factorization.

32661939685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20870567.

The product of its digits is 12597120, while the sum is 58.

The spelling of 32661939685 in words is "thirty-two billion, six hundred sixty-one million, nine hundred thirty-nine thousand, six hundred eighty-five".