164419550559 has 48 divisors (see below), whose sum is σ = 260379319200. Its totient is φ = 99151257600.

The previous prime is 164419550557. The next prime is 164419550591. The reversal of 164419550559 is 955055914461.

164419550559 is a `hidden beast` number, since 1 + 6 + 4 + 41 + 95 + 505 + 5 + 9 = 666.

It is not a de Polignac number, because 164419550559 - 2¹ = 164419550557 is a prime.

It is a super-3 number, since 3×164419550559³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164419550551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39818607 + ... + 39822735.

It is an arithmetic number, because the mean of its divisors is an integer number (5424569150).

Almost surely, 2^164419550559 is an apocalyptic number.

164419550559 is a deficient number, since it is larger than the sum of its proper divisors (95959768641).

164419550559 is a wasteful number, since it uses less digits than its factorization.

164419550559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056 (or 6053 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 164419550559 in words is "one hundred sixty-four billion, four hundred nineteen million, five hundred fifty thousand, five hundred fifty-nine".