16423658496 has 462 divisors, whose sum is σ = 57388566150. Its totient is φ = 4682022912.

The previous prime is 16423658417. The next prime is 16423658527. The reversal of 16423658496 is 69485632461.

16423658496 is a `hidden beast` number, since 16 + 42 + 3 + 6 + 584 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14631321600 + 1792336896 = 120960^2 + 42336^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 36578080 + ... + 36578528.

Almost surely, 2^16423658496 is an apocalyptic number.

16423658496 is a gapful number since it is divisible by the number (16) 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 16423658496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28694283075).

16423658496 is an abundant number, since it is smaller than the sum of its proper divisors (40964907654).

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

16423658496 is an frugal number, since it uses more digits than its factorization.

16423658496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 461 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 16423658496 in words is "sixteen billion, four hundred twenty-three million, six hundred fifty-eight thousand, four hundred ninety-six".