516667977072 has 120 divisors (see below), whose sum is σ = 1558366122768. Its totient is φ = 158853657600.

The previous prime is 516667977017. The next prime is 516667977073. The reversal of 516667977072 is 270779766615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516667977073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2368447 + ... + 2577377.

Almost surely, 2^516667977072 is an apocalyptic number.

516667977072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516667977072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779183061384).

516667977072 is an abundant number, since it is smaller than the sum of its proper divisors (1041698145696).

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

516667977072 is a wasteful number, since it uses less digits than its factorization.

516667977072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210279 (or 210270 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 516667977072 in words is "five hundred sixteen billion, six hundred sixty-seven million, nine hundred seventy-seven thousand, seventy-two".