611407123873616 has 360 divisors, whose sum is σ = 1473836979958560. Its totient is φ = 244694293562880.

The previous prime is 611407123873573. The next prime is 611407123873633. The reversal of 611407123873616 is 616378321704116.

It is a super-2 number, since 2×611407123873616² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43414544111 + ... + 43414558193.

It is an arithmetic number, because the mean of its divisors is an integer number (4093991610996).

Almost surely, 2^{611407123873616} 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 611407123873616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736918489979280).

611407123873616 is an abundant number, since it is smaller than the sum of its proper divisors (862429856084944).

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

611407123873616 is a wasteful number, since it uses less digits than its factorization.

611407123873616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16183 (or 16139 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 611407123873616 in words is "six hundred eleven trillion, four hundred seven billion, one hundred twenty-three million, eight hundred seventy-three thousand, six hundred sixteen".