611220242166 has 16 divisors (see below), whose sum is σ = 1234543856688. Its totient is φ = 201722852000.

The previous prime is 611220242137. The next prime is 611220242167. The reversal of 611220242166 is 661242022116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611220242167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504306525 + ... + 504307736.

It is an arithmetic number, because the mean of its divisors is an integer number (77158991043).

Almost surely, 2^611220242166 is an apocalyptic number.

611220242166 is an abundant number, since it is smaller than the sum of its proper divisors (623323614522).

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

611220242166 is a wasteful number, since it uses less digits than its factorization.

611220242166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008614367.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 611220242166 in words is "six hundred eleven billion, two hundred twenty million, two hundred forty-two thousand, one hundred sixty-six".