216610164032346 has 48 divisors (see below), whose sum is σ = 538670033987904. Its totient is φ = 61623001899072.

The previous prime is 216610164032341. The next prime is 216610164032363. The reversal of 216610164032346 is 643230461016612.

216610164032346 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 1 + 0 + 1 + 6 + 403 + 234 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (216610164032341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3689087136 + ... + 3689145851.

It is an arithmetic number, because the mean of its divisors is an integer number (11222292374748).

Almost surely, 2^{216610164032346} is an apocalyptic number.

216610164032346 is an abundant number, since it is smaller than the sum of its proper divisors (322059869955558).

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

216610164032346 is a wasteful number, since it uses less digits than its factorization.

216610164032346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378233235 (or 7378233232 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 216610164032346 in words is "two hundred sixteen trillion, six hundred ten billion, one hundred sixty-four million, thirty-two thousand, three hundred forty-six".