16778132198058 has 256 divisors, whose sum is σ = 43209218949120. Its totient is φ = 4216758988800.

The previous prime is 16778132197999. The next prime is 16778132198071. The reversal of 16778132198058 is 85089123187761.

It is a super-3 number, since 3×16778132198058³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a self number, because there is not a number n which added to its sum of digits gives 16778132198058.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3734280460 + ... + 3734284952.

It is an arithmetic number, because the mean of its divisors is an integer number (168786011520).

Almost surely, 2^{16778132198058} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16778132198058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21604609474560).

16778132198058 is an abundant number, since it is smaller than the sum of its proper divisors (26431086751062).

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

16778132198058 is a wasteful number, since it uses less digits than its factorization.

16778132198058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133.

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 16778132198058 in words is "sixteen trillion, seven hundred seventy-eight billion, one hundred thirty-two million, one hundred ninety-eight thousand, fifty-eight".