16552601208 has 512 divisors, whose sum is σ = 59222016000. Its totient is φ = 4203601920.

The previous prime is 16552601173. The next prime is 16552601209. The reversal of 16552601208 is 80210625561.

16552601208 is a `hidden beast` number, since 1 + 6 + 5 + 526 + 0 + 120 + 8 = 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 (16552601209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15227241 + ... + 15228327.

It is an arithmetic number, because the mean of its divisors is an integer number (115668000).

Almost surely, 2^16552601208 is an apocalyptic number.

16552601208 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 16552601208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29611008000).

16552601208 is an abundant number, since it is smaller than the sum of its proper divisors (42669414792).

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

16552601208 is a wasteful number, since it uses less digits than its factorization.

16552601208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 16552601208 in words is "sixteen billion, five hundred fifty-two million, six hundred one thousand, two hundred eight".