166211834 has 16 divisors (see below), whose sum is σ = 255011328. Its totient is φ = 81213552.

The previous prime is 166211831. The next prime is 166211849. The reversal of 166211834 is 438112661.

166211834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166211834.

It is not an unprimeable number, because it can be changed into a prime (166211831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104207 + ... + 105789.

It is an arithmetic number, because the mean of its divisors is an integer number (15938208).

Almost surely, 2^166211834 is an apocalyptic number.

166211834 is a deficient number, since it is larger than the sum of its proper divisors (88799494).

166211834 is a wasteful number, since it uses less digits than its factorization.

166211834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its digits is 6912, while the sum is 32.

The square root of 166211834 is about 12892.3168592771. The cubic root of 166211834 is about 549.8201439463.

The spelling of 166211834 in words is "one hundred sixty-six million, two hundred eleven thousand, eight hundred thirty-four".