510016661610 has 64 divisors (see below), whose sum is σ = 1289441894400. Its totient is φ = 128748439872.

The previous prime is 510016661579. The next prime is 510016661621. The reversal of 510016661610 is 16166610015.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 412647 + ... + 1091013.

It is an arithmetic number, because the mean of its divisors is an integer number (20147529600).

Almost surely, 2^510016661610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 510016661610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644720947200).

510016661610 is an abundant number, since it is smaller than the sum of its proper divisors (779425232790).

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

510016661610 is a wasteful number, since it uses less digits than its factorization.

510016661610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679715.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 510016661610 in words is "five hundred ten billion, sixteen million, six hundred sixty-one thousand, six hundred ten".