616650001056 has 120 divisors (see below), whose sum is σ = 1814163009120. Its totient is φ = 205480582272.

The previous prime is 616650001021. The next prime is 616650001061. The reversal of 616650001056 is 650100056616.

It is a super-2 number, since 2×616650001056² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 616650001056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7942135 + ... + 8019401.

It is an arithmetic number, because the mean of its divisors is an integer number (15118025076).

Almost surely, 2^616650001056 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 616650001056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907081504560).

616650001056 is an abundant number, since it is smaller than the sum of its proper divisors (1197513008064).

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

616650001056 is a wasteful number, since it uses less digits than its factorization.

616650001056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80368 (or 80351 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 616650001056 in words is "six hundred sixteen billion, six hundred fifty million, one thousand, fifty-six".