164250405302064 has 80 divisors (see below), whose sum is σ = 438562477204992. Its totient is φ = 52939633264384.

The previous prime is 164250405302033. The next prime is 164250405302069. The reversal of 164250405302064 is 460203504052461.

It is a happy number.

164250405302064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164250405302069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438403299 + ... + 438777794.

Almost surely, 2^{164250405302064} is an apocalyptic number.

It is an amenable number.

164250405302064 is an abundant number, since it is smaller than the sum of its proper divisors (274312071902928).

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

164250405302064 is a wasteful number, since it uses less digits than its factorization.

164250405302064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877181234 (or 877181228 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 164250405302064 in words is "one hundred sixty-four trillion, two hundred fifty billion, four hundred five million, three hundred two thousand, sixty-four".