164734265722000 has 80 divisors (see below), whose sum is σ = 428968028007792. Its totient is φ = 60824959641600.

The previous prime is 164734265721989. The next prime is 164734265722001. The reversal of 164734265722000 is 227562437461.

It can be written as a sum of positive squares in 8 ways, for example, as 92522544650496 + 72211721071504 = 9618864^2 + 8497748^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (164734265722001) 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, 3167940649 + ... + 3167992648.

Almost surely, 2^{164734265722000} is an apocalyptic number.

164734265722000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164734265722000 is an abundant number, since it is smaller than the sum of its proper divisors (264233762285792).

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

164734265722000 is a wasteful number, since it uses less digits than its factorization.

164734265722000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335933333 (or 6335933317 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 164734265722000 in words is "one hundred sixty-four trillion, seven hundred thirty-four billion, two hundred sixty-five million, seven hundred twenty-two thousand".