32185808081 has 16 divisors (see below), whose sum is σ = 38859596160. Its totient is φ = 26041461120.

The previous prime is 32185808047. The next prime is 32185808107. The reversal of 32185808081 is 18080858123.

It is a cyclic number.

It is not a de Polignac number, because 32185808081 - 2¹⁴ = 32185791697 is a prime.

It is a super-2 number, since 2×32185808081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32185802081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399980 + ... + 473661.

It is an arithmetic number, because the mean of its divisors is an integer number (2428724760).

Almost surely, 2^32185808081 is an apocalyptic number.

It is an amenable number.

32185808081 is a deficient number, since it is larger than the sum of its proper divisors (6673788079).

32185808081 is a wasteful number, since it uses less digits than its factorization.

32185808081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873944.

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 32185808081 in words is "thirty-two billion, one hundred eighty-five million, eight hundred eight thousand, eighty-one".