616166566515414 has 12 divisors (see below), whose sum is σ = 1335027560783436. Its totient is φ = 205388855505132.

The previous prime is 616166566515349. The next prime is 616166566515469. The reversal of 616166566515414 is 414515665661616.

616166566515414 is a `hidden beast` number, since 6 + 1 + 6 + 1 + 6 + 6 + 566 + 5 + 1 + 54 + 14 = 666.

It is a super-3 number, since 3×616166566515414³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17115737958744 + ... + 17115737958779.

It is an arithmetic number, because the mean of its divisors is an integer number (111252296731953).

Almost surely, 2^{616166566515414} is an apocalyptic number.

616166566515414 is an abundant number, since it is smaller than the sum of its proper divisors (718860994268022).

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

616166566515414 is a wasteful number, since it uses less digits than its factorization.

616166566515414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34231475917531 (or 34231475917528 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 616166566515414 in words is "six hundred sixteen trillion, one hundred sixty-six billion, five hundred sixty-six million, five hundred fifteen thousand, four hundred fourteen".