216498385662 has 32 divisors (see below), whose sum is σ = 466575139968. Its totient is φ = 66576184416.

The previous prime is 216498385661. The next prime is 216498385681. The reversal of 216498385662 is 266583894612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 216498385596 and 216498385605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216498385661) 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, 671068 + ... + 939855.

It is an arithmetic number, because the mean of its divisors is an integer number (14580473124).

Almost surely, 2^216498385662 is an apocalyptic number.

216498385662 is an abundant number, since it is smaller than the sum of its proper divisors (250076754306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216498385662 is a wasteful number, since it uses less digits than its factorization.

216498385662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612664.

The product of its digits is 29859840, while the sum is 60.

The spelling of 216498385662 in words is "two hundred sixteen billion, four hundred ninety-eight million, three hundred eighty-five thousand, six hundred sixty-two".