16834458378 has 16 divisors (see below), whose sum is σ = 33685800480. Its totient is φ = 5608672176.

The previous prime is 16834458373. The next prime is 16834458401. The reversal of 16834458378 is 87385443861.

It is a super-2 number, since 2×16834458378² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16834458371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690508 + ... + 714471.

It is an arithmetic number, because the mean of its divisors is an integer number (2105362530).

Almost surely, 2^16834458378 is an apocalyptic number.

16834458378 is an abundant number, since it is smaller than the sum of its proper divisors (16851342102).

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

16834458378 is a wasteful number, since it uses less digits than its factorization.

16834458378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406981.

The product of its digits is 15482880, while the sum is 57.

The spelling of 16834458378 in words is "sixteen billion, eight hundred thirty-four million, four hundred fifty-eight thousand, three hundred seventy-eight".