32064031157621 has 4 divisors (see below), whose sum is σ = 32064056317644. Its totient is φ = 32064005997600.

The previous prime is 32064031157591. The next prime is 32064031157629. The reversal of 32064031157621 is 12675113046023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6905931991396 + 25158099166225 = 2627914^2 + 5015785^2 .

It is a cyclic number.

It is not a de Polignac number, because 32064031157621 - 2¹⁴ = 32064031141237 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 (32064031157629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560320 + ... + 13253241.

It is an arithmetic number, because the mean of its divisors is an integer number (8016014079411).

Almost surely, 2^{32064031157621} is an apocalyptic number.

It is an amenable number.

32064031157621 is a deficient number, since it is larger than the sum of its proper divisors (25160023).

32064031157621 is a wasteful number, since it uses less digits than its factorization.

32064031157621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160022.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 32064031157621 in words is "thirty-two trillion, sixty-four billion, thirty-one million, one hundred fifty-seven thousand, six hundred twenty-one".