6616200815471 has 32 divisors (see below), whose sum is σ = 7638317003520. Its totient is φ = 5676410340864.

The previous prime is 6616200815447. The next prime is 6616200815489. The reversal of 6616200815471 is 1745180026166.

It is a cyclic number.

It is not a de Polignac number, because 6616200815471 - 2⁶ = 6616200815407 is a prime.

It is a super-3 number, since 3×6616200815471³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616200815971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45032096 + ... + 45178778.

It is an arithmetic number, because the mean of its divisors is an integer number (238697406360).

Almost surely, 2^{6616200815471} is an apocalyptic number.

6616200815471 is a deficient number, since it is larger than the sum of its proper divisors (1022116188049).

6616200815471 is a wasteful number, since it uses less digits than its factorization.

6616200815471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149255.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 6616200815471 in words is "six trillion, six hundred sixteen billion, two hundred million, eight hundred fifteen thousand, four hundred seventy-one".