611266604620 has 96 divisors (see below), whose sum is σ = 1519775107200. Its totient is φ = 202063970304.

The previous prime is 611266604593. The next prime is 611266604651. The reversal of 611266604620 is 26406662116.

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 31 ways as a sum of consecutive naturals, for example, 2772364 + ... + 2984716.

It is an arithmetic number, because the mean of its divisors is an integer number (15830990700).

Almost surely, 2^611266604620 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 611266604620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759887553600).

611266604620 is an abundant number, since it is smaller than the sum of its proper divisors (908508502580).

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

611266604620 is a wasteful number, since it uses less digits than its factorization.

611266604620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213107 (or 213105 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 611266604620 in words is "six hundred eleven billion, two hundred sixty-six million, six hundred four thousand, six hundred twenty".