516246978 has 16 divisors (see below), whose sum is σ = 1111916736. Its totient is φ = 158845200.

The previous prime is 516246961. The next prime is 516246989. The reversal of 516246978 is 879642615.

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, 3309198 + ... + 3309353.

It is an arithmetic number, because the mean of its divisors is an integer number (69494796).

Almost surely, 2^516246978 is an apocalyptic number.

516246978 is an abundant number, since it is smaller than the sum of its proper divisors (595669758).

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

516246978 is a wasteful number, since it uses less digits than its factorization.

516246978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618569.

The product of its digits is 725760, while the sum is 48.

The square root of 516246978 is about 22721.0690329483. The cubic root of 516246978 is about 802.2058797362.

The spelling of 516246978 in words is "five hundred sixteen million, two hundred forty-six thousand, nine hundred seventy-eight".