616053666040 has 64 divisors (see below), whose sum is σ = 1483804656000. Its totient is φ = 229495086720.

The previous prime is 616053666029. The next prime is 616053666061. The reversal of 616053666040 is 40666350616.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6824626 + ... + 6914305.

It is an arithmetic number, because the mean of its divisors is an integer number (23184447750).

Almost surely, 2^616053666040 is an apocalyptic number.

It is an amenable number.

616053666040 is an abundant number, since it is smaller than the sum of its proper divisors (867750989960).

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

616053666040 is a wasteful number, since it uses less digits than its factorization.

616053666040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739020 (or 13739016 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 616053666040 in words is "six hundred sixteen billion, fifty-three million, six hundred sixty-six thousand, forty".