166265250050 has 24 divisors (see below), whose sum is σ = 309286371072. Its totient is φ = 66499002000.

The previous prime is 166265250013. The next prime is 166265250097. The reversal of 166265250050 is 50052562661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 166265249986 and 166265250013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308915 + ... + 654185.

It is an arithmetic number, because the mean of its divisors is an integer number (12886932128).

Almost surely, 2^166265250050 is an apocalyptic number.

166265250050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166265250050 is a deficient number, since it is larger than the sum of its proper divisors (143021121022).

166265250050 is a wasteful number, since it uses less digits than its factorization.

166265250050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354914 (or 354909 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 166265250050 in words is "one hundred sixty-six billion, two hundred sixty-five million, two hundred fifty thousand, fifty".