516128328 has 32 divisors (see below), whose sum is σ = 1433690400. Its totient is φ = 172042704.

The previous prime is 516128317. The next prime is 516128339. The reversal of 516128328 is 823821615.

It is a happy number.

516128328 is a `hidden beast` number, since 5 + 1 + 612 + 8 + 32 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (516128317) and next prime (516128339).

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

It is a junction number, because it is equal to n+sod(n) for n = 516128292 and 516128301.

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, 1194526 + ... + 1194957.

It is an arithmetic number, because the mean of its divisors is an integer number (44802825).

Almost surely, 2^516128328 is an apocalyptic number.

It is an amenable number.

516128328 is an abundant number, since it is smaller than the sum of its proper divisors (917562072).

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

516128328 is a wasteful number, since it uses less digits than its factorization.

516128328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389498 (or 2389488 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 516128328 is about 22718.4578701988. The cubic root of 516128328 is about 802.1444175391.

It can be divided in two parts, 5161 and 28328, that added together give a square (33489 = 183²).

The spelling of 516128328 in words is "five hundred sixteen million, one hundred twenty-eight thousand, three hundred twenty-eight".