616544070880 has 96 divisors (see below), whose sum is σ = 1470858183648. Its totient is φ = 244212480000.

The previous prime is 616544070869. The next prime is 616544070881. The reversal of 616544070880 is 88070445616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616544070881) 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, 6903310 + ... + 6992050.

It is an arithmetic number, because the mean of its divisors is an integer number (15321439413).

Almost surely, 2^616544070880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616544070880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735429091824).

616544070880 is an abundant number, since it is smaller than the sum of its proper divisors (854314112768).

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

616544070880 is a wasteful number, since it uses less digits than its factorization.

616544070880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89180 (or 89172 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 616544070880 in words is "six hundred sixteen billion, five hundred forty-four million, seventy thousand, eight hundred eighty".