164547170850 has 24 divisors (see below), whose sum is σ = 408076984080. Its totient is φ = 43879245520.

The previous prime is 164547170833. The next prime is 164547170861. The reversal of 164547170850 is 58071745461.

It is a self number, because there is not a number n which added to its sum of digits gives 164547170850.

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 11 ways as a sum of consecutive naturals, for example, 548490420 + ... + 548490719.

It is an arithmetic number, because the mean of its divisors is an integer number (17003207670).

Almost surely, 2^164547170850 is an apocalyptic number.

164547170850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164547170850 is an abundant number, since it is smaller than the sum of its proper divisors (243529813230).

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

164547170850 is a wasteful number, since it uses less digits than its factorization.

164547170850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096981154 (or 1096981149 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 164547170850 in words is "one hundred sixty-four billion, five hundred forty-seven million, one hundred seventy thousand, eight hundred fifty".