164308435550 has 48 divisors (see below), whose sum is σ = 349305038880. Its totient is φ = 56329119360.

The previous prime is 164308435549. The next prime is 164308435561. The reversal of 164308435550 is 55534803461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7393856 + ... + 7416044.

It is an arithmetic number, because the mean of its divisors is an integer number (7277188310).

Almost surely, 2^164308435550 is an apocalyptic number.

164308435550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164308435550 is an abundant number, since it is smaller than the sum of its proper divisors (184996603330).

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

164308435550 is a wasteful number, since it uses less digits than its factorization.

164308435550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43365 (or 43360 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 164308435550 in words is "one hundred sixty-four billion, three hundred eight million, four hundred thirty-five thousand, five hundred fifty".