16091674635582 has 1344 divisors, whose sum is σ = 50609863480320. Its totient is φ = 3735358488576.

The previous prime is 16091674635581. The next prime is 16091674635649. The reversal of 16091674635582 is 28553647619061.

It is a happy number.

16091674635582 is a `hidden beast` number, since 1 + 6 + 0 + 9 + 1 + 6 + 7 + 46 + 3 + 5 + 582 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16091674635581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 27888517278 + ... + 27888517854.

It is a 1-persistent number, because it is pandigital, but 2⋅16091674635582 = 32183349271164 is not.

Almost surely, 2^{16091674635582} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16091674635582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25304931740160).

16091674635582 is an abundant number, since it is smaller than the sum of its proper divisors (34518188844738).

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

16091674635582 is a wasteful number, since it uses less digits than its factorization.

16091674635582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 16091674635582 in words is "sixteen trillion, ninety-one billion, six hundred seventy-four million, six hundred thirty-five thousand, five hundred eighty-two".