164216616 has 16 divisors (see below), whose sum is σ = 410541600. Its totient is φ = 54738864.

The previous prime is 164216599. The next prime is 164216629. The reversal of 164216616 is 616612461.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421156 + ... + 3421203.

It is an arithmetic number, because the mean of its divisors is an integer number (25658850).

Almost surely, 2^164216616 is an apocalyptic number.

It is an amenable number.

164216616 is an abundant number, since it is smaller than the sum of its proper divisors (246324984).

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

164216616 is a wasteful number, since it uses less digits than its factorization.

164216616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842368 (or 6842364 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 164216616 is about 12814.7031179033. The cubic root of 164216616 is about 547.6112557209.

The spelling of 164216616 in words is "one hundred sixty-four million, two hundred sixteen thousand, six hundred sixteen".