16550101655 has 16 divisors (see below), whose sum is σ = 20508454560. Its totient is φ = 12813510528.

The previous prime is 16550101627. The next prime is 16550101663. The reversal of 16550101655 is 55610105561.

It is a cyclic number.

It is not a de Polignac number, because 16550101655 - 2¹² = 16550097559 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 329672 + ... + 376541.

It is an arithmetic number, because the mean of its divisors is an integer number (1281778410).

Almost surely, 2^16550101655 is an apocalyptic number.

16550101655 is a deficient number, since it is larger than the sum of its proper divisors (3958352905).

16550101655 is a wasteful number, since it uses less digits than its factorization.

16550101655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706370.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 16550101655 in words is "sixteen billion, five hundred fifty million, one hundred one thousand, six hundred fifty-five".