659550355464 has 384 divisors, whose sum is σ = 2272102116480. Its totient is φ = 158129072640.

The previous prime is 659550355447. The next prime is 659550355621. The reversal of 659550355464 is 464553055956.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20332122 + ... + 20364534.

It is an arithmetic number, because the mean of its divisors is an integer number (5916932595).

Almost surely, 2^659550355464 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 659550355464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136051058240).

659550355464 is an abundant number, since it is smaller than the sum of its proper divisors (1612551761016).

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

659550355464 is a wasteful number, since it uses less digits than its factorization.

659550355464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32482 (or 32449 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 57.

The spelling of 659550355464 in words is "six hundred fifty-nine billion, five hundred fifty million, three hundred fifty-five thousand, four hundred sixty-four".