164276477008 has 80 divisors (see below), whose sum is σ = 375523782400. Its totient is φ = 68146126848.

The previous prime is 164276477003. The next prime is 164276477021. The reversal of 164276477008 is 800774672461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164276477003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697093 + ... + 902491.

It is an arithmetic number, because the mean of its divisors is an integer number (4694047280).

Almost surely, 2^164276477008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164276477008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187761891200).

164276477008 is an abundant number, since it is smaller than the sum of its proper divisors (211247305392).

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

164276477008 is a wasteful number, since it uses less digits than its factorization.

164276477008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205644 (or 205638 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 164276477008 in words is "one hundred sixty-four billion, two hundred seventy-six million, four hundred seventy-seven thousand, eight".