16352226530640 has 960 divisors, whose sum is σ = 74449874903040. Its totient is φ = 3106025533440.

The previous prime is 16352226530639. The next prime is 16352226530669. The reversal of 16352226530640 is 4603562225361.

16352226530640 is a `hidden beast` number, since 1 + 6 + 3 + 52 + 2 + 2 + 6 + 530 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74124021 + ... + 74344299.

It is an arithmetic number, because the mean of its divisors is an integer number (77551953024).

Almost surely, 2^{16352226530640} is an apocalyptic number.

16352226530640 is a gapful number since it is divisible by the number (10) 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 16352226530640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37224937451520).

16352226530640 is an abundant number, since it is smaller than the sum of its proper divisors (58097648372400).

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

16352226530640 is a wasteful number, since it uses less digits than its factorization.

16352226530640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220432 (or 220423 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 16352226530640 in words is "sixteen trillion, three hundred fifty-two billion, two hundred twenty-six million, five hundred thirty thousand, six hundred forty".