516189078 has 16 divisors (see below), whose sum is σ = 1147086960. Its totient is φ = 172063008.

The previous prime is 516189077. The next prime is 516189103. The reversal of 516189078 is 870981615.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516189077) 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, 4779475 + ... + 4779582.

It is an arithmetic number, because the mean of its divisors is an integer number (71692935).

Almost surely, 2^516189078 is an apocalyptic number.

516189078 is an abundant number, since it is smaller than the sum of its proper divisors (630897882).

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

516189078 is a wasteful number, since it uses less digits than its factorization.

516189078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9559068 (or 9559062 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 516189078 is about 22719.7948494259. The cubic root of 516189078 is about 802.1758879822.

The spelling of 516189078 in words is "five hundred sixteen million, one hundred eighty-nine thousand, seventy-eight".