610105543664 has 80 divisors (see below), whose sum is σ = 1280561806656. Its totient is φ = 280530432000.

The previous prime is 610105543661. The next prime is 610105543673. The reversal of 610105543664 is 466345501016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610105543661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2383634 + ... + 2627150.

Almost surely, 2^610105543664 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 610105543664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640280903328).

610105543664 is an abundant number, since it is smaller than the sum of its proper divisors (670456262992).

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

610105543664 is a wasteful number, since it uses less digits than its factorization.

610105543664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243754 (or 243748 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 610105543664 in words is "six hundred ten billion, one hundred five million, five hundred forty-three thousand, six hundred sixty-four".