3216263086081 has 4 divisors (see below), whose sum is σ = 3216346514500. Its totient is φ = 3216179657664.

The previous prime is 3216263086079. The next prime is 3216263086093. The reversal of 3216263086081 is 1806803626123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 987240960000 + 2229022126081 = 993600^2 + 1492991^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216263086081 - 2¹ = 3216263086079 is a prime.

It is a super-2 number, since 2×3216263086081² (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 (3216263086031) 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, 41656356 + ... + 41733493.

It is an arithmetic number, because the mean of its divisors is an integer number (804086628625).

Almost surely, 2^{3216263086081} is an apocalyptic number.

It is an amenable number.

3216263086081 is a deficient number, since it is larger than the sum of its proper divisors (83428419).

3216263086081 is an equidigital number, since it uses as much as digits as its factorization.

3216263086081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83428418.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 3216263086081 in words is "three trillion, two hundred sixteen billion, two hundred sixty-three million, eighty-six thousand, eighty-one".