5326661641 has 8 divisors (see below), whose sum is σ = 6091797440. Its totient is φ = 4562571888.

The previous prime is 5326661621. The next prime is 5326661651. The reversal of 5326661641 is 1461666235.

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

It is not a de Polignac number, because 5326661641 - 2⁷ = 5326661513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5326661594 and 5326661603.

It is not an unprimeable number, because it can be changed into a prime (5326661621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250566 + ... + 270991.

It is an arithmetic number, because the mean of its divisors is an integer number (761474680).

Almost surely, 2^5326661641 is an apocalyptic number.

It is an amenable number.

5326661641 is a deficient number, since it is larger than the sum of its proper divisors (765135799).

5326661641 is a wasteful number, since it uses less digits than its factorization.

5326661641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523023.

The product of its digits is 155520, while the sum is 40.

The square root of 5326661641 is about 72983.9820851123. The cubic root of 5326661641 is about 1746.4320929661.

The spelling of 5326661641 in words is "five billion, three hundred twenty-six million, six hundred sixty-one thousand, six hundred forty-one".