16061642135650 has 24 divisors (see below), whose sum is σ = 29884896211860. Its totient is φ = 6422454308160.

The previous prime is 16061642135647. The next prime is 16061642135723. The reversal of 16061642135650 is 5653124616061.

It is a happy number.

16061642135650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 14932899504721 + 1128742630929 = 3864311^2 + 1062423^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16061642135650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54916345 + ... + 55208044.

Almost surely, 2^{16061642135650} is an apocalyptic number.

16061642135650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16061642135650 is a deficient number, since it is larger than the sum of its proper divisors (13823254076210).

16061642135650 is a wasteful number, since it uses less digits than its factorization.

16061642135650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110127318 (or 110127313 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 16061642135650 in words is "sixteen trillion, sixty-one billion, six hundred forty-two million, one hundred thirty-five thousand, six hundred fifty".