3520088200661 has 2 divisors, whose sum is σ = 3520088200662. Its totient is φ = 3520088200660.

The previous prime is 3520088200637. The next prime is 3520088200747. The reversal of 3520088200661 is 1660028800253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1917823371025 + 1602264829636 = 1384855^2 + 1265806^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520088200661 - 2¹⁰ = 3520088199637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520088200261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760044100330 + 1760044100331.

It is an arithmetic number, because the mean of its divisors is an integer number (1760044100331).

Almost surely, 2^{3520088200661} is an apocalyptic number.

It is an amenable number.

3520088200661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520088200661 is an equidigital number, since it uses as much as digits as its factorization.

3520088200661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 3520088200661 in words is "three trillion, five hundred twenty billion, eighty-eight million, two hundred thousand, six hundred sixty-one".