16357091328 has 288 divisors, whose sum is σ = 49674643200. Its totient is φ = 5178163200.

The previous prime is 16357091291. The next prime is 16357091329. The reversal of 16357091328 is 82319075361.

16357091328 is a `hidden beast` number, since 1 + 63 + 570 + 9 + 13 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (16357091329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37951273 + ... + 37951703.

It is an arithmetic number, because the mean of its divisors is an integer number (172481400).

Almost surely, 2^16357091328 is an apocalyptic number.

16357091328 is a gapful number since it is divisible by the number (18) 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 16357091328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837321600).

16357091328 is an abundant number, since it is smaller than the sum of its proper divisors (33317551872).

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

16357091328 is a wasteful number, since it uses less digits than its factorization.

16357091328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16357091328 in words is "sixteen billion, three hundred fifty-seven million, ninety-one thousand, three hundred twenty-eight".