516236065540 has 48 divisors (see below), whose sum is σ = 1168398439488. Its totient is φ = 190461550464.

The previous prime is 516236065523. The next prime is 516236065547. The reversal of 516236065540 is 45560632615.

It is not an unprimeable number, because it can be changed into a prime (516236065547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440202 + ... + 1107361.

It is an arithmetic number, because the mean of its divisors is an integer number (24341634156).

Almost surely, 2^516236065540 is an apocalyptic number.

It is an amenable number.

516236065540 is an abundant number, since it is smaller than the sum of its proper divisors (652162373948).

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

516236065540 is a wasteful number, since it uses less digits than its factorization.

516236065540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548868 (or 1548866 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 516236065540 in words is "five hundred sixteen billion, two hundred thirty-six million, sixty-five thousand, five hundred forty".