6522434404661 has 8 divisors (see below), whose sum is σ = 7508621046720. Its totient is φ = 5549850337248.

The previous prime is 6522434404639. The next prime is 6522434404679. The reversal of 6522434404661 is 1664044342256.

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

It is not a de Polignac number, because 6522434404661 - 2¹⁴ = 6522434388277 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 (6522434404621) 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, 3400642631 + ... + 3400644548.

It is an arithmetic number, because the mean of its divisors is an integer number (938577630840).

Almost surely, 2^{6522434404661} is an apocalyptic number.

It is an amenable number.

6522434404661 is a deficient number, since it is larger than the sum of its proper divisors (986186642059).

6522434404661 is a wasteful number, since it uses less digits than its factorization.

6522434404661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801287323.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 6522434404661 in words is "six trillion, five hundred twenty-two billion, four hundred thirty-four million, four hundred four thousand, six hundred sixty-one".