16423550976 has 256 divisors, whose sum is σ = 51840806400. Its totient is φ = 4525129728.

The previous prime is 16423550971. The next prime is 16423550987. The reversal of 16423550976 is 67905532461.

It is a tau number, because it is divible by the number of its divisors (256).

It is a super-2 number, since 2×16423550976² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423550971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19955301 + ... + 19956123.

It is an arithmetic number, because the mean of its divisors is an integer number (202503150).

Almost surely, 2^16423550976 is an apocalyptic number.

16423550976 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 16423550976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920403200).

16423550976 is an abundant number, since it is smaller than the sum of its proper divisors (35417255424).

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

16423550976 is an frugal number, since it uses more digits than its factorization.

16423550976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 16423550976 in words is "sixteen billion, four hundred twenty-three million, five hundred fifty thousand, nine hundred seventy-six".