166800034950 has 48 divisors (see below), whose sum is σ = 417459210960. Its totient is φ = 44071931520.

The previous prime is 166800034901. The next prime is 166800034969. The reversal of 166800034950 is 59430008661.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 5084569 + ... + 5117268.

It is an arithmetic number, because the mean of its divisors is an integer number (8697066895).

Almost surely, 2^166800034950 is an apocalyptic number.

166800034950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166800034950 is an abundant number, since it is smaller than the sum of its proper divisors (250659176010).

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

166800034950 is a wasteful number, since it uses less digits than its factorization.

166800034950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201961 (or 10201956 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 166800034950 in words is "one hundred sixty-six billion, eight hundred million, thirty-four thousand, nine hundred fifty".