647352356160 has 448 divisors, whose sum is σ = 2254712889600. Its totient is φ = 156732162048.

The previous prime is 647352356159. The next prime is 647352356177. The reversal of 647352356160 is 61653253746.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72463054 + ... + 72471986.

Almost surely, 2^647352356160 is an apocalyptic number.

647352356160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647352356160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127356444800).

647352356160 is an abundant number, since it is smaller than the sum of its proper divisors (1607360533440).

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

647352356160 is a wasteful number, since it uses less digits than its factorization.

647352356160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138 (or 9128 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 647352356160 in words is "six hundred forty-seven billion, three hundred fifty-two million, three hundred fifty-six thousand, one hundred sixty".