651606655150 has 48 divisors (see below), whose sum is σ = 1322501961600. Its totient is φ = 236888229600.

The previous prime is 651606655121. The next prime is 651606655159. The reversal of 651606655150 is 51556606156.

It is a self number, because there is not a number n which added to its sum of digits gives 651606655150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651606655159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2067751 + ... + 2361949.

It is an arithmetic number, because the mean of its divisors is an integer number (27552124200).

Almost surely, 2^651606655150 is an apocalyptic number.

651606655150 is an abundant number, since it is smaller than the sum of its proper divisors (670895306450).

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

651606655150 is a wasteful number, since it uses less digits than its factorization.

651606655150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298249 (or 298244 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 651606655150 in words is "six hundred fifty-one billion, six hundred six million, six hundred fifty-five thousand, one hundred fifty".