516168146 has 24 divisors (see below), whose sum is σ = 844763724. Its totient is φ = 235141920.

The previous prime is 516168143. The next prime is 516168151. The reversal of 516168146 is 641861615.

It can be written as a sum of positive squares in 2 ways, for example, as 418652521 + 97515625 = 20461^2 + 9875^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516168143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160676 + ... + 163856.

Almost surely, 2^516168146 is an apocalyptic number.

516168146 is a deficient number, since it is larger than the sum of its proper divisors (328595578).

516168146 is a wasteful number, since it uses less digits than its factorization.

516168146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3275 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 516168146 is about 22719.3341891879. The cubic root of 516168146 is about 802.1650448155.

The spelling of 516168146 in words is "five hundred sixteen million, one hundred sixty-eight thousand, one hundred forty-six".