16655499201 has 32 divisors (see below), whose sum is σ = 24442011648. Its totient is φ = 10004480640.

The previous prime is 16655499193. The next prime is 16655499229. The reversal of 16655499201 is 10299455661.

It is not a de Polignac number, because 16655499201 - 2³ = 16655499193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16655499271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6733701 + ... + 6736173.

It is an arithmetic number, because the mean of its divisors is an integer number (763812864).

Almost surely, 2^16655499201 is an apocalyptic number.

16655499201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16655499201 is a deficient number, since it is larger than the sum of its proper divisors (7786512447).

16655499201 is a wasteful number, since it uses less digits than its factorization.

16655499201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 16655499201 in words is "sixteen billion, six hundred fifty-five million, four hundred ninety-nine thousand, two hundred one".