16496508420 has 144 divisors (see below), whose sum is σ = 57519221760. Its totient is φ = 3748785408.

The previous prime is 16496508397. The next prime is 16496508437. The reversal of 16496508420 is 2480569461.

16496508420 is a `hidden beast` number, since 16 + 4 + 96 + 508 + 42 + 0 = 666.

16496508420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16496508420² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180141 + ... + 255819.

It is an arithmetic number, because the mean of its divisors is an integer number (399439040).

Almost surely, 2^16496508420 is an apocalyptic number.

16496508420 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 16496508420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28759610880).

16496508420 is an abundant number, since it is smaller than the sum of its proper divisors (41022713340).

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

16496508420 is a wasteful number, since it uses less digits than its factorization.

16496508420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75874 (or 75869 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 16496508420 in words is "sixteen billion, four hundred ninety-six million, five hundred eight thousand, four hundred twenty".