216045640516201 has 16 divisors (see below), whose sum is σ = 225683897681088. Its totient is φ = 206647586913600.

The previous prime is 216045640516151. The next prime is 216045640516337. The reversal of 216045640516201 is 102615046540612.

It is not a de Polignac number, because 216045640516201 - 2¹⁷ = 216045640385129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216045640514201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180827170 + ... + 182018011.

It is an arithmetic number, because the mean of its divisors is an integer number (14105243605068).

Almost surely, 2^{216045640516201} is an apocalyptic number.

It is an amenable number.

216045640516201 is a deficient number, since it is larger than the sum of its proper divisors (9638257164887).

216045640516201 is a wasteful number, since it uses less digits than its factorization.

216045640516201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362845512.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 216045640516201 in words is "two hundred sixteen trillion, forty-five billion, six hundred forty million, five hundred sixteen thousand, two hundred one".