164553326622240 has 192 divisors, whose sum is σ = 518844468643200. Its totient is φ = 43838452998144.

The previous prime is 164553326622221. The next prime is 164553326622247. The reversal of 164553326622240 is 42226623355461.

It is not an unprimeable number, because it can be changed into a prime (164553326622247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225491191 + ... + 2225565129.

It is an arithmetic number, because the mean of its divisors is an integer number (2702314940850).

Almost surely, 2^{164553326622240} is an apocalyptic number.

164553326622240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164553326622240 is an abundant number, since it is smaller than the sum of its proper divisors (354291142020960).

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

164553326622240 is a wasteful number, since it uses less digits than its factorization.

164553326622240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78379 (or 78371 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 164553326622240 in words is "one hundred sixty-four trillion, five hundred fifty-three billion, three hundred twenty-six million, six hundred twenty-two thousand, two hundred forty".