516063636 has 120 divisors (see below), whose sum is σ = 1549400160. Its totient is φ = 148132800.

The previous prime is 516063601. The next prime is 516063643. The reversal of 516063636 is 636360615.

It is a happy number.

516063636 is a `hidden beast` number, since 5 + 16 + 0 + 6 + 3 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 516063636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63906 + ... + 71526.

It is an arithmetic number, because the mean of its divisors is an integer number (12911668).

Almost surely, 2^516063636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516063636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774700080).

516063636 is an abundant number, since it is smaller than the sum of its proper divisors (1033336524).

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

516063636 is a wasteful number, since it uses less digits than its factorization.

516063636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 516063636 is about 22717.0340493648. The cubic root of 516063636 is about 802.1109022987.

The spelling of 516063636 in words is "five hundred sixteen million, sixty-three thousand, six hundred thirty-six".