16343428500 has 288 divisors, whose sum is σ = 60958759680. Its totient is φ = 3606624000.

The previous prime is 16343428483. The next prime is 16343428553. The reversal of 16343428500 is 582434361.

It is a super-2 number, since 2×16343428500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 904555 + ... + 922445.

It is an arithmetic number, because the mean of its divisors is an integer number (211662360).

Almost surely, 2^16343428500 is an apocalyptic number.

16343428500 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 16343428500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30479379840).

16343428500 is an abundant number, since it is smaller than the sum of its proper divisors (44615331180).

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

16343428500 is a wasteful number, since it uses less digits than its factorization.

16343428500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17952 (or 17937 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16343428500 in words is "sixteen billion, three hundred forty-three million, four hundred twenty-eight thousand, five hundred".