16555061144 has 32 divisors (see below), whose sum is σ = 31812480000. Its totient is φ = 8074259232.

The previous prime is 16555061143. The next prime is 16555061177. The reversal of 16555061144 is 44116055561.

It is a junction number, because it is equal to n+sod(n) for n = 16555061098 and 16555061107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555061143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105344 + ... + 210255.

It is an arithmetic number, because the mean of its divisors is an integer number (994140000).

Almost surely, 2^16555061144 is an apocalyptic number.

It is an amenable number.

16555061144 is a deficient number, since it is larger than the sum of its proper divisors (15257418856).

16555061144 is a wasteful number, since it uses less digits than its factorization.

16555061144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315767 (or 315763 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 16555061144 in words is "sixteen billion, five hundred fifty-five million, sixty-one thousand, one hundred forty-four".