164065454616 has 48 divisors (see below), whose sum is σ = 477129131640. Its totient is φ = 46875843840.

The previous prime is 164065454611. The next prime is 164065454629. The reversal of 164065454616 is 616454560461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164065454611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69754545 + ... + 69756896.

Almost surely, 2^164065454616 is an apocalyptic number.

It is an amenable number.

164065454616 is an abundant number, since it is smaller than the sum of its proper divisors (313063677024).

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

164065454616 is a wasteful number, since it uses less digits than its factorization.

164065454616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139511464 (or 139511453 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 164065454616 in words is "one hundred sixty-four billion, sixty-five million, four hundred fifty-four thousand, six hundred sixteen".