516901970 has 16 divisors (see below), whose sum is σ = 1001994840. Its totient is φ = 190856064.

The previous prime is 516901969. The next prime is 516901991. The reversal of 516901970 is 79109615.

It can be written as a sum of positive squares in 4 ways, for example, as 458088409 + 58813561 = 21403^2 + 7669^2 .

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, 1987955 + ... + 1988214.

Almost surely, 2^516901970 is an apocalyptic number.

516901970 is a deficient number, since it is larger than the sum of its proper divisors (485092870).

516901970 is a wasteful number, since it uses less digits than its factorization.

516901970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976189.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 516901970 is about 22735.4782223731. The cubic root of 516901970 is about 802.5450044798.

The spelling of 516901970 in words is "five hundred sixteen million, nine hundred one thousand, nine hundred seventy".