16552940544 has 528 divisors, whose sum is σ = 58540924800. Its totient is φ = 4525424640.

The previous prime is 16552940531. The next prime is 16552940597. The reversal of 16552940544 is 44504925561.

16552940544 is a `hidden beast` number, since 1 + 6 + 552 + 9 + 40 + 54 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16552940544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185988052 + ... + 185988140.

Almost surely, 2^16552940544 is an apocalyptic number.

16552940544 is a gapful number since it is divisible by the number (14) 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 16552940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29270462400).

16552940544 is an abundant number, since it is smaller than the sum of its proper divisors (41987984256).

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

16552940544 is an equidigital number, since it uses as much as digits as its factorization.

16552940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 16552940544 in words is "sixteen billion, five hundred fifty-two million, nine hundred forty thousand, five hundred forty-four".