166850001835 has 12 divisors (see below), whose sum is σ = 220076532144. Its totient is φ = 121345455440.

The previous prime is 166850001803. The next prime is 166850001883. The reversal of 166850001835 is 538100058661.

It is not a de Polignac number, because 166850001835 - 2⁵ = 166850001803 is a prime.

It is a super-2 number, since 2×166850001835² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166850001791 and 166850001800.

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, 137891959 + ... + 137893168.

It is an arithmetic number, because the mean of its divisors is an integer number (18339711012).

Almost surely, 2^166850001835 is an apocalyptic number.

166850001835 is a deficient number, since it is larger than the sum of its proper divisors (53226530309).

166850001835 is a wasteful number, since it uses less digits than its factorization.

166850001835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275785154 (or 275785143 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 166850001835 in words is "one hundred sixty-six billion, eight hundred fifty million, one thousand, eight hundred thirty-five".