3521204426066 has 8 divisors (see below), whose sum is σ = 5281997476860. Its totient is φ = 1760538600448.

The previous prime is 3521204426063. The next prime is 3521204426093. The reversal of 3521204426066 is 6606244021253.

It can be written as a sum of positive squares in 2 ways, for example, as 2681651880625 + 839552545441 = 1637575^2 + 916271^2 .

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

It is a super-2 number, since 2×3521204426066² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3521204426063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31737071 + ... + 31847826.

Almost surely, 2^{3521204426066} is an apocalyptic number.

3521204426066 is a deficient number, since it is larger than the sum of its proper divisors (1760793050794).

3521204426066 is a wasteful number, since it uses less digits than its factorization.

3521204426066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63612588.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 3521204426066 in words is "three trillion, five hundred twenty-one billion, two hundred four million, four hundred twenty-six thousand, sixty-six".