164404544532660 has 72 divisors (see below), whose sum is σ = 499256010804096. Its totient is φ = 43791785438400.

The previous prime is 164404544532629. The next prime is 164404544532667. The reversal of 164404544532660 is 66235445404461.

164404544532660 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 0 + 4 + 5 + 44 + 532 + 6 + 60 = 666.

164404544532660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164404544532660³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164404544532597 and 164404544532606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164404544532667) 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, 514698616 + ... + 515017935.

It is an arithmetic number, because the mean of its divisors is an integer number (6934111261168).

Almost surely, 2^{164404544532660} is an apocalyptic number.

164404544532660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164404544532660 is an abundant number, since it is smaller than the sum of its proper divisors (334851466271436).

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

164404544532660 is a wasteful number, since it uses less digits than its factorization.

164404544532660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029717453 (or 1029717448 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 54.

The spelling of 164404544532660 in words is "one hundred sixty-four trillion, four hundred four billion, five hundred forty-four million, five hundred thirty-two thousand, six hundred sixty".