16190840358 has 320 divisors, whose sum is σ = 48364563456. Its totient is φ = 3951763200.

The previous prime is 16190840321. The next prime is 16190840381. The reversal of 16190840358 is 85304809161.

16190840358 is a `hidden beast` number, since 1 + 6 + 190 + 8 + 403 + 58 = 666.

It is a super-2 number, since 2×16190840358² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25658703 + ... + 25659333.

Almost surely, 2^16190840358 is an apocalyptic number.

16190840358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16190840358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24182281728).

16190840358 is an abundant number, since it is smaller than the sum of its proper divisors (32173723098).

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

16190840358 is a wasteful number, since it uses less digits than its factorization.

16190840358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 16190840358 in words is "sixteen billion, one hundred ninety million, eight hundred forty thousand, three hundred fifty-eight".