516599980 has 24 divisors (see below), whose sum is σ = 1168311312. Its totient is φ = 190744512.

The previous prime is 516599969. The next prime is 516599989. The reversal of 516599980 is 89995615.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (516599989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993202 + ... + 993721.

It is an arithmetic number, because the mean of its divisors is an integer number (48679638).

Almost surely, 2^516599980 is an apocalyptic number.

It is an amenable number.

516599980 is an abundant number, since it is smaller than the sum of its proper divisors (651711332).

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

516599980 is a wasteful number, since it uses less digits than its factorization.

516599980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986945 (or 1986943 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 516599980 is about 22728.8358698812. The cubic root of 516599980 is about 802.3886835566.

The spelling of 516599980 in words is "five hundred sixteen million, five hundred ninety-nine thousand, nine hundred eighty".