616953175320 has 128 divisors (see below), whose sum is σ = 1887077088000. Its totient is φ = 161315873280.

The previous prime is 616953175273. The next prime is 616953175351. The reversal of 616953175320 is 23571359616.

It is a self number, because there is not a number n which added to its sum of digits gives 616953175320.

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 31 ways as a sum of consecutive naturals, for example, 2642115 + ... + 2866125.

It is an arithmetic number, because the mean of its divisors is an integer number (14742789750).

Almost surely, 2^616953175320 is an apocalyptic number.

616953175320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616953175320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943538544000).

616953175320 is an abundant number, since it is smaller than the sum of its proper divisors (1270123912680).

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

616953175320 is a wasteful number, since it uses less digits than its factorization.

616953175320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224473 (or 224469 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 616953175320 in words is "six hundred sixteen billion, nine hundred fifty-three million, one hundred seventy-five thousand, three hundred twenty".