32029585661 has 4 divisors (see below), whose sum is σ = 32157193824. Its totient is φ = 31901977500.

The previous prime is 32029585657. The next prime is 32029585681. The reversal of 32029585661 is 16658592023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16658592023 = 17183 ⋅969481.

It is a cyclic number.

It is not a de Polignac number, because 32029585661 - 2² = 32029585657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32029585681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63803705 + ... + 63804206.

It is an arithmetic number, because the mean of its divisors is an integer number (8039298456).

Almost surely, 2^32029585661 is an apocalyptic number.

It is an amenable number.

32029585661 is a deficient number, since it is larger than the sum of its proper divisors (127608163).

32029585661 is a wasteful number, since it uses less digits than its factorization.

32029585661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127608162.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 32029585661 in words is "thirty-two billion, twenty-nine million, five hundred eighty-five thousand, six hundred sixty-one".