164911045500 has 96 divisors (see below), whose sum is σ = 533578893120. Its totient is φ = 43976275200.

The previous prime is 164911045489. The next prime is 164911045513. The reversal of 164911045500 is 5540119461.

164911045500 is a `hidden beast` number, since 1 + 6 + 4 + 91 + 10 + 4 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6094317 + ... + 6121316.

It is an arithmetic number, because the mean of its divisors is an integer number (5558113470).

Almost surely, 2^164911045500 is an apocalyptic number.

164911045500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164911045500 is an abundant number, since it is smaller than the sum of its proper divisors (368667847620).

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

164911045500 is a wasteful number, since it uses less digits than its factorization.

164911045500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215661 (or 12215643 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 164911045500 in words is "one hundred sixty-four billion, nine hundred eleven million, forty-five thousand, five hundred".