539621312616 has 48 divisors (see below), whose sum is σ = 1461531576960. Its totient is φ = 179866732320.

The previous prime is 539621312609. The next prime is 539621312641. The reversal of 539621312616 is 616213126935.

539621312616 is a `hidden beast` number, since 5 + 3 + 9 + 6 + 2 + 13 + 12 + 616 = 666.

It is a super-2 number, since 2×539621312616² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1903881 + ... + 2168871.

It is an arithmetic number, because the mean of its divisors is an integer number (30448574520).

Almost surely, 2^539621312616 is an apocalyptic number.

It is an amenable number.

539621312616 is an abundant number, since it is smaller than the sum of its proper divisors (921910264344).

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

539621312616 is a wasteful number, since it uses less digits than its factorization.

539621312616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293286 (or 293279 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 539621312616 in words is "five hundred thirty-nine billion, six hundred twenty-one million, three hundred twelve thousand, six hundred sixteen".