164342645325656 has 64 divisors (see below), whose sum is σ = 357853267438080. Its totient is φ = 69297025754880.

The previous prime is 164342645325569. The next prime is 164342645325673. The reversal of 164342645325656 is 656523546243461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23522885 + ... + 29698676.

It is an arithmetic number, because the mean of its divisors is an integer number (5591457303720).

Almost surely, 2^{164342645325656} is an apocalyptic number.

It is an amenable number.

164342645325656 is an abundant number, since it is smaller than the sum of its proper divisors (193510622112424).

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

164342645325656 is a wasteful number, since it uses less digits than its factorization.

164342645325656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53222464 (or 53222460 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 62.

The spelling of 164342645325656 in words is "one hundred sixty-four trillion, three hundred forty-two billion, six hundred forty-five million, three hundred twenty-five thousand, six hundred fifty-six".