16604126448 has 320 divisors, whose sum is σ = 56529715200. Its totient is φ = 4077112320.

The previous prime is 16604126447. The next prime is 16604126479. The reversal of 16604126448 is 84462140661.

It is a happy number.

It is a Cunningham number, because it is equal to 128857²-1.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16604126447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4894833 + ... + 4898223.

It is an arithmetic number, because the mean of its divisors is an integer number (176655360).

Almost surely, 2^16604126448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16604126448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28264857600).

16604126448 is an abundant number, since it is smaller than the sum of its proper divisors (39925588752).

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

16604126448 is a wasteful number, since it uses less digits than its factorization.

16604126448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3494 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 16604126448 in words is "sixteen billion, six hundred four million, one hundred twenty-six thousand, four hundred forty-eight".