516506001540 has 48 divisors (see below), whose sum is σ = 1451593120320. Its totient is φ = 137222903680.

The previous prime is 516506001527. The next prime is 516506001547. The reversal of 516506001540 is 45100605615.

It is not an unprimeable number, because it can be changed into a prime (516506001547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15984666 + ... + 16016945.

It is an arithmetic number, because the mean of its divisors is an integer number (30241523340).

Almost surely, 2^516506001540 is an apocalyptic number.

It is an amenable number.

516506001540 is an abundant number, since it is smaller than the sum of its proper divisors (935087118780).

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

516506001540 is a wasteful number, since it uses less digits than its factorization.

516506001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32001892 (or 32001890 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 516506001540 in words is "five hundred sixteen billion, five hundred six million, one thousand, five hundred forty".