216183207223125 has 120 divisors (see below), whose sum is σ = 398559514129920. Its totient is φ = 112830019920000.

The previous prime is 216183207223111. The next prime is 216183207223129. The reversal of 216183207223125 is 521322702381612.

216183207223125 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 8 + 320 + 7 + 2 + 2 + 312 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-216183207223125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216183207223129) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2228897131 + ... + 2228994119.

It is an arithmetic number, because the mean of its divisors is an integer number (3321329284416).

Almost surely, 2^{216183207223125} is an apocalyptic number.

216183207223125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216183207223125 is a deficient number, since it is larger than the sum of its proper divisors (182376306906795).

216183207223125 is an equidigital number, since it uses as much as digits as its factorization.

216183207223125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105493 (or 105475 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 216183207223125 in words is "two hundred sixteen trillion, one hundred eighty-three billion, two hundred seven million, two hundred twenty-three thousand, one hundred twenty-five".