3261616161648 has 80 divisors (see below), whose sum is σ = 9086466095616. Its totient is φ = 1002193632000.

The previous prime is 3261616161541. The next prime is 3261616161653. The reversal of 3261616161648 is 8461616161623.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3261616161648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3141228 + ... + 4048523.

Almost surely, 2^{3261616161648} is an apocalyptic number.

It is an amenable number.

3261616161648 is an abundant number, since it is smaller than the sum of its proper divisors (5824849933968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261616161648 is a wasteful number, since it uses less digits than its factorization.

3261616161648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190502 (or 7190496 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 3261616161648 in words is "three trillion, two hundred sixty-one billion, six hundred sixteen million, one hundred sixty-one thousand, six hundred forty-eight".