216601573337859 has 32 divisors (see below), whose sum is σ = 299252004851520. Its totient is φ = 139192534720512.

The previous prime is 216601573337857. The next prime is 216601573337861. The reversal of 216601573337859 is 958733375106612.

It is an interprime number because it is at equal distance from previous prime (216601573337857) and next prime (216601573337861).

It is not a de Polignac number, because 216601573337859 - 2¹ = 216601573337857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216601573337859.

It is not an unprimeable number, because it can be changed into a prime (216601573337857) 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, 374261599 + ... + 374839895.

It is an arithmetic number, because the mean of its divisors is an integer number (9351625151610).

Almost surely, 2^{216601573337859} is an apocalyptic number.

216601573337859 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

216601573337859 is a deficient number, since it is larger than the sum of its proper divisors (82650431513661).

216601573337859 is a wasteful number, since it uses less digits than its factorization.

216601573337859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585399.

The product of its (nonzero) digits is 171460800, while the sum is 66.

The spelling of 216601573337859 in words is "two hundred sixteen trillion, six hundred one billion, five hundred seventy-three million, three hundred thirty-seven thousand, eight hundred fifty-nine".