516057166 has 4 divisors (see below), whose sum is σ = 774085752. Its totient is φ = 258028582.

The previous prime is 516057163. The next prime is 516057173. The reversal of 516057166 is 661750615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661750615 = 5 ⋅132350123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516057163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129014290 + ... + 129014293.

It is an arithmetic number, because the mean of its divisors is an integer number (193521438).

Almost surely, 2^516057166 is an apocalyptic number.

516057166 is a deficient number, since it is larger than the sum of its proper divisors (258028586).

516057166 is a wasteful number, since it uses less digits than its factorization.

516057166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258028585.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 516057166 is about 22716.8916447651. The cubic root of 516057166 is about 802.1075502062.

It can be divided in two parts, 5160 and 57166, that added together give a palindrome (62326).

The spelling of 516057166 in words is "five hundred sixteen million, fifty-seven thousand, one hundred sixty-six".