613377718720 has 448 divisors, whose sum is σ = 1645261632000. Its totient is φ = 216376934400.

The previous prime is 613377718717. The next prime is 613377718781. The reversal of 613377718720 is 27817773316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1757529106 + ... + 1757529454.

It is an arithmetic number, because the mean of its divisors is an integer number (3672459000).

Almost surely, 2^613377718720 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 613377718720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822630816000).

613377718720 is an abundant number, since it is smaller than the sum of its proper divisors (1031883913280).

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

613377718720 is a wasteful number, since it uses less digits than its factorization.

613377718720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 613377718720 in words is "six hundred thirteen billion, three hundred seventy-seven million, seven hundred eighteen thousand, seven hundred twenty".