67020164964 has 72 divisors (see below), whose sum is σ = 176370868128. Its totient is φ = 22253045760.

The previous prime is 67020164963. The next prime is 67020164989. The reversal of 67020164964 is 46946102076.

It is not an unprimeable number, because it can be changed into a prime (67020164963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115659 + ... + 383949.

Almost surely, 2^67020164964 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 67020164964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88185434064).

67020164964 is an abundant number, since it is smaller than the sum of its proper divisors (109350703164).

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

67020164964 is a wasteful number, since it uses less digits than its factorization.

67020164964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268567 (or 268553 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 67020164964 in words is "sixty-seven billion, twenty million, one hundred sixty-four thousand, nine hundred sixty-four".