32121646761 has 8 divisors (see below), whose sum is σ = 45348207264. Its totient is φ = 20154758720.

The previous prime is 32121646729. The next prime is 32121646789. The reversal of 32121646761 is 16764612123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32121646761 - 2⁵ = 32121646729 is a prime.

It is a super-2 number, since 2×32121646761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32121646561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314918055 + ... + 314918156.

It is an arithmetic number, because the mean of its divisors is an integer number (5668525908).

Almost surely, 2^32121646761 is an apocalyptic number.

It is an amenable number.

32121646761 is a deficient number, since it is larger than the sum of its proper divisors (13226560503).

32121646761 is a wasteful number, since it uses less digits than its factorization.

32121646761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629836231.

The product of its digits is 72576, while the sum is 39.

The spelling of 32121646761 in words is "thirty-two billion, one hundred twenty-one million, six hundred forty-six thousand, seven hundred sixty-one".