6166565607020 has 192 divisors, whose sum is σ = 16943172019200. Its totient is φ = 1830592742400.

The previous prime is 6166565607011. The next prime is 6166565607047. The reversal of 6166565607020 is 207065656616.

It is a self number, because there is not a number n which added to its sum of digits gives 6166565607020.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2609771 + ... + 4375389.

It is an arithmetic number, because the mean of its divisors is an integer number (88245687600).

Almost surely, 2^{6166565607020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6166565607020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8471586009600).

6166565607020 is an abundant number, since it is smaller than the sum of its proper divisors (10776606412180).

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

6166565607020 is a wasteful number, since it uses less digits than its factorization.

6166565607020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765768 (or 1765766 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 6166565607020 in words is "six trillion, one hundred sixty-six billion, five hundred sixty-five million, six hundred seven thousand, twenty".