16654061550 has 96 divisors (see below), whose sum is σ = 47466604800. Its totient is φ = 3785333760.

The previous prime is 16654061549. The next prime is 16654061573. The reversal of 16654061550 is 5516045661.

16654061550 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16654061550² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16654061499 and 16654061508.

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, 143646 + ... + 232254.

It is an arithmetic number, because the mean of its divisors is an integer number (494443800).

Almost surely, 2^16654061550 is an apocalyptic number.

16654061550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16654061550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23733302400).

16654061550 is an abundant number, since it is smaller than the sum of its proper divisors (30812543250).

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

16654061550 is a wasteful number, since it uses less digits than its factorization.

16654061550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88810 (or 88805 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 16654061550 in words is "sixteen billion, six hundred fifty-four million, sixty-one thousand, five hundred fifty".