2016561411366 has 16 divisors (see below), whose sum is σ = 4042226942784. Its totient is φ = 670669783784.

The previous prime is 2016561411353. The next prime is 2016561411383. The reversal of 2016561411366 is 6631141656102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379335456 + ... + 379340771.

It is an arithmetic number, because the mean of its divisors is an integer number (252639183924).

Almost surely, 2^{2016561411366} is an apocalyptic number.

2016561411366 is an abundant number, since it is smaller than the sum of its proper divisors (2025665531418).

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

2016561411366 is a wasteful number, since it uses less digits than its factorization.

2016561411366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758676675.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 2016561411366 in words is "two trillion, sixteen billion, five hundred sixty-one million, four hundred eleven thousand, three hundred sixty-six".