516166661614 has 4 divisors (see below), whose sum is σ = 774249992424. Its totient is φ = 258083330806.

The previous prime is 516166661587. The next prime is 516166661671. The reversal of 516166661614 is 416166661615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 416166661615 = 5 ⋅83233332323.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129041665402 + ... + 129041665405.

It is an arithmetic number, because the mean of its divisors is an integer number (193562498106).

Almost surely, 2^516166661614 is an apocalyptic number.

516166661614 is a deficient number, since it is larger than the sum of its proper divisors (258083330810).

516166661614 is a wasteful number, since it uses less digits than its factorization.

516166661614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258083330809.

The product of its digits is 933120, while the sum is 49.

Subtracting from 516166661614 its reverse (416166661615), we obtain a palindrome (99999999999).

The spelling of 516166661614 in words is "five hundred sixteen billion, one hundred sixty-six million, six hundred sixty-one thousand, six hundred fourteen".