16233504408 has 256 divisors, whose sum is σ = 53075865600. Its totient is φ = 4541921280.

The previous prime is 16233504389. The next prime is 16233504409. The reversal of 16233504408 is 80440533261.

16233504408 is a `hidden beast` number, since 16 + 233 + 5 + 0 + 4 + 408 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16233504409) 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, 2136985 + ... + 2144567.

It is an arithmetic number, because the mean of its divisors is an integer number (207327600).

Almost surely, 2^16233504408 is an apocalyptic number.

16233504408 is a gapful number since it is divisible by the number (18) 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 16233504408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26537932800).

16233504408 is an abundant number, since it is smaller than the sum of its proper divisors (36842361192).

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

16233504408 is a wasteful number, since it uses less digits than its factorization.

16233504408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679 (or 7669 counting only the distinct ones).

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

The spelling of 16233504408 in words is "sixteen billion, two hundred thirty-three million, five hundred four thousand, four hundred eight".