32381063681 has 16 divisors (see below), whose sum is σ = 33300660288. Its totient is φ = 31467916800.

The previous prime is 32381063657. The next prime is 32381063707. The reversal of 32381063681 is 18636018323.

It is a cyclic number.

It is not a de Polignac number, because 32381063681 - 2²² = 32376869377 is a prime.

It is a super-2 number, since 2×32381063681² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32381063621) 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, 16100966 + ... + 16102976.

It is an arithmetic number, because the mean of its divisors is an integer number (2081291268).

Almost surely, 2^32381063681 is an apocalyptic number.

It is an amenable number.

32381063681 is a deficient number, since it is larger than the sum of its proper divisors (919596607).

32381063681 is a wasteful number, since it uses less digits than its factorization.

32381063681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 32381063681 in words is "thirty-two billion, three hundred eighty-one million, sixty-three thousand, six hundred eighty-one".