3541562665216 has 27 divisors (see below), whose sum is σ = 7069351205091. Its totient is φ = 1770766277376.

The previous prime is 3541562665213. The next prime is 3541562665243. The reversal of 3541562665216 is 6125662651453.

The square root of 3541562665216 is 1881904.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×3541562665216² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3541562665213) 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 2 ways as a sum of consecutive naturals, for example, 30051655 + ... + 30169273.

Almost surely, 2^{3541562665216} is an apocalyptic number.

3541562665216 is the 1881904-th square number.

It is an amenable number.

3541562665216 is a deficient number, since it is larger than the sum of its proper divisors (3527788539875).

3541562665216 is an frugal number, since it uses more digits than its factorization.

3541562665216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235254 (or 117621 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 52.

The spelling of 3541562665216 in words is "three trillion, five hundred forty-one billion, five hundred sixty-two million, six hundred sixty-five thousand, two hundred sixteen".