32855243661 has 12 divisors (see below), whose sum is σ = 47461595740. Its totient is φ = 21901639680.

The previous prime is 32855243653. The next prime is 32855243671. The reversal of 32855243661 is 16634255823.

32855243661 is a `hidden beast` number, since 3 + 2 + 8 + 552 + 4 + 36 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31021776900 + 1833466761 = 176130^2 + 42819^2 .

It is not a de Polignac number, because 32855243661 - 2³ = 32855243653 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 (32855243651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37930 + ... + 259131.

Almost surely, 2^32855243661 is an apocalyptic number.

It is an amenable number.

32855243661 is a deficient number, since it is larger than the sum of its proper divisors (14606352079).

32855243661 is a wasteful number, since it uses less digits than its factorization.

32855243661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309356 (or 309353 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 32855243661 in words is "thirty-two billion, eight hundred fifty-five million, two hundred forty-three thousand, six hundred sixty-one".