16061654550 has 96 divisors (see below), whose sum is σ = 41072549760. Its totient is φ = 4151347200.

The previous prime is 16061654489. The next prime is 16061654569. The reversal of 16061654550 is 5545616061.

It is a junction number, because it is equal to n+sod(n) for n = 16061654499 and 16061654508.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 835446 + ... + 854454.

It is an arithmetic number, because the mean of its divisors is an integer number (427839060).

Almost surely, 2^16061654550 is an apocalyptic number.

16061654550 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 16061654550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20536274880).

16061654550 is an abundant number, since it is smaller than the sum of its proper divisors (25010895210).

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

16061654550 is a wasteful number, since it uses less digits than its factorization.

16061654550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19198 (or 19193 counting only the distinct ones).

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

The spelling of 16061654550 in words is "sixteen billion, sixty-one million, six hundred fifty-four thousand, five hundred fifty".