16829390520 has 128 divisors (see below), whose sum is σ = 56276078400. Its totient is φ = 4473589248.

The previous prime is 16829390509. The next prime is 16829390527. The reversal of 16829390520 is 2509392861.

16829390520 is a `hidden beast` number, since 16 + 8 + 29 + 3 + 90 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16829390527) 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 31 ways as a sum of consecutive naturals, for example, 317782 + ... + 366938.

Almost surely, 2^16829390520 is an apocalyptic number.

16829390520 is a gapful number since it is divisible by the number (10) 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 16829390520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28138039200).

16829390520 is an abundant number, since it is smaller than the sum of its proper divisors (39446687880).

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

16829390520 is a wasteful number, since it uses less digits than its factorization.

16829390520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49494 (or 49484 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 16829390520 in words is "sixteen billion, eight hundred twenty-nine million, three hundred ninety thousand, five hundred twenty".