6616022531544 has 96 divisors (see below), whose sum is σ = 17984684718000. Its totient is φ = 2197188377856.

The previous prime is 6616022531539. The next prime is 6616022531557. The reversal of 6616022531544 is 4451352206166.

6616022531544 is a `hidden beast` number, since 6 + 6 + 1 + 60 + 2 + 2 + 531 + 54 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6616022531544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50973322 + ... + 51102950.

Almost surely, 2^{6616022531544} is an apocalyptic number.

It is an amenable number.

6616022531544 is an abundant number, since it is smaller than the sum of its proper divisors (11368662186456).

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

6616022531544 is a wasteful number, since it uses less digits than its factorization.

6616022531544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132257 (or 132250 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 6616022531544 in words is "six trillion, six hundred sixteen billion, twenty-two million, five hundred thirty-one thousand, five hundred forty-four".