616543694592 has 72 divisors (see below), whose sum is σ = 1875320420736. Its totient is φ = 176155339776.

The previous prime is 616543694581. The next prime is 616543694621. The reversal of 616543694592 is 295496345616.

It is a super-2 number, since 2×616543694592² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57336858 + ... + 57347609.

Almost surely, 2^616543694592 is an apocalyptic number.

It is an amenable number.

616543694592 is an abundant number, since it is smaller than the sum of its proper divisors (1258776726144).

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

616543694592 is a wasteful number, since it uses less digits than its factorization.

616543694592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114684493 (or 114684479 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 60.

The spelling of 616543694592 in words is "six hundred sixteen billion, five hundred forty-three million, six hundred ninety-four thousand, five hundred ninety-two".